What Is the Correct Method to Mix Reed Diffuser Base and Fragrance Oil so the Liquid Remains Clear and Uniform?

What Is the Correct Method to Mix Reed Diffuser Base and Fragrance Oil so the Liquid Remains Clear and Uniform?

 

CSI Pro Mixer ₹349.00 Longevity Base ₹1,296.00 / 500 ml Weighing Scale ₹354.00
CSI reed diffuser guide · How to make a reed diffuser that actually works
Mix a diffuser blend that stays clear in the glass and smells the same in the last bottle as the first — with a scale, a slow stir and a covered rest.
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"Quality of the wick is good for jar candles, team can work on the pricing and delivery timelines."
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Eco Candle Wicks
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AshwiniSep 2025
Eco Candle Wicks
★★★★☆
"Good quality .... if possible delivery date would be try little bit quick please"
Subhankar RoyVerified buyer · Sep 2024
Eco Candle Wicks
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"This needle is very helpful as it doesn't damage the mould and there is no leakage of wax while pouring.. I would definitely recommend this .."
LJAug 2024
Premium Candle Wicking Needle
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Sneha TamangVerified buyer · Apr 2025
Premium Candle Wicking Needle
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Shop reed diffuser bases Ask about my mixing method
✓ Diffuser prices pulled 14 October 2026 ✓ Oil stock re-checked 14 October 2026 ✓ GST invoicing · MSDS & IFRA documentation on request
Reed Diffusers × Mixing Method × Clarity
Weigh the base, then the oil, into a dry clear vessel at room temperature. Stir slowly to the bottom until no streaks show, cover it, rest it 24–48 hours, then stir once gently and bottle by weight. No heat, no water, no filtering — and check the first bottle against the last.
₹3,348.00
CSI materials for a two-batch mixing test — Longevity Base 500 ml, Dark Vanilla Oud, four 120 ml Gold bottles and black fibre reeds (CSI Pro Mixer ₹349.00 extra) · CSI live pricing, October 2026
Quick answers — read this first
What is the correct method? By weight, base first, then oil, in a dry clear vessel at room temperature; stir slowly to the bottom; cover and rest 24–48 hours; stir gently once; bottle by weight.

Do I need to heat it? No. Mix at room temperature. Heating can clear haze temporarily, drive off light notes and hide an incompatible load.

Do I need a mixer? Not usually for small batches. A slow, timed hand stir often does it; this page's test shows whether the ₹349.00 CSI Pro Mixer helps at your batch size.

Still cloudy after a good method? Then it is the formula: step the load down 5 points or try the base whose page names the family. Never add water or alcohol.
The short answer
Answer: Weigh the base then the fragrance oil into a dry, clean, clear vessel at room temperature, stir slowly to the bottom until there are no streaks, cover and rest 24–48 hours, check clarity, stir gently once and fill bottles by weight.
Why: Water in the vessel, cold oil, fast whisking, an uncovered rest and unstirred last bottles all create haze or unevenness. A blend still hazy after a correct method is a compatibility problem, not a mixing one.
Method: Two identical 20% batches — hand-stirred and mixer — with top and bottom samples after the rest and first and last bottles weighed and scored for 14 days.
Shop: CSI Pro Mixer · Weighing Scale · Longevity Base · Dark Vanilla Oud · help on WhatsApp.
In this guide
Mixing a clear, uniform diffuser blend — and the six places haze gets in General diffuser practice · room temperature throughout · no heating 1 Dry, clean, clear vessel glass or steel; weigh into it Haze risk: A wet or soapy vessel water droplets cloud the blend 2 Both liquids at room temp bring cold oil indoors first Haze risk: Oil straight from a cold shelf thick, slow to dissolve 3 Base first, then oil tare between, record grams Haze risk: Oil first into a small vessel oil clings to the walls 4 Stir slowly to the bottom rod, spoon or Pro Mixer, low Haze risk: Fast whisking air bubbles look like haze 5 Rest covered 24–48 h per every CSI base page Haze risk: Uncovered rest top notes leave, dust gets in 6 Stir gently, then bottle keep first + last as a check Haze risk: Bottling from the top only a layer goes to the last bottle If the blend is still hazy after a correct method, it is not a mixing problem — the oil is not compatible at that load in that base. Step the load down or try the base whose page names the family. Never add water or alcohol.
The six steps of a clear, uniform mix and the haze risk at each — a wet vessel, cold oil, oil first into an empty vessel, fast whisking, an uncovered rest and bottling from the top without a final stir. General diffuser practice; room temperature throughout. Haze that survives a correct method is a load or base problem.
Optional tool
CSI Pro Mixer · ₹349.00
Section pillar
How to make a 100 ml reed diffuser
Still hazy?
Send us your formula on WhatsApp
Straight answer
What is the correct method to mix reed diffuser base and fragrance oil so the liquid remains clear and uniform?
Weigh the base first and then the fragrance oil into one dry, clean, clear vessel at room temperature; stir slowly, reaching the bottom and corners, until no streaks show; cover it and rest it 24–48 hours as every CSI base page asks; check it against white and black card; give it one gentle stir and fill each bottle by weight. Six small mistakes cause most haze and unevenness: water left in the vessel, oil used straight from a cold shelf, oil poured first into an empty vessel, fast whisking that folds in air bubbles, an uncovered rest, and bottling from the top of a batch without a final stir. Do not heat the blend to clear it and do not filter out sediment — both hide a problem rather than fix it. If the blend is still hazy after a correct method, the method is not the cause: the oil is not compatible at that load in that base, so step down 5 points or try the base whose page names the family, and never add water or alcohol. To prove uniformity, compare top and bottom samples after the rest and the first and last bottles you fill. The test kit costs ₹3,348.00, or ₹3,697.00 with the CSI Pro Mixer.
One line: base then oil, by weight; slow stir to the bottom; covered rest; one gentle stir; bottle by weight — no heat.
Mixing needs no heater and no special machine: a scale, a dry clear vessel, something to stir with and a covered rest. The method test on this page mixes the same 20% formula two ways — by hand and with the CSI Pro Mixer (₹349.00) — using Longevity Base and Dark Vanilla Oud in 120 ml Gold bottles: ₹3,348.00 for the materials, ₹3,697.00 with the mixer.
See the CSI Pro Mixer

The correct method, in six steps

A clear diffuser blend is made by weight, at room temperature, stirred slowly to the bottom of the vessel and left covered to rest. Most haze is let in by one of six small mistakes.

There is nothing complicated about mixing a reed diffuser. Fragrance oil and a ready-made base, weighed into one vessel, stirred until they are one liquid, rested, checked and bottled. CSI's base pages give the two numbers that matter — a fragrance range of 10–30% of the total blend and a 24–48 hour rest before bottling — and the rest is care. But care matters, because a blend that is going to be seen through clear glass for weeks shows every shortcut: a cloudy patch, a faint layer, droplets on the wall, a last bottle that smells different from the first.

1
Start with a dry, clean, clear vesselGlass or stainless steel, washed and fully dried — water left from washing is the most common unintended ingredient, and fragrance oils are commonly described as not dissolving in water. A clear vessel lets you see streaks as you stir. The CSI silicone beakers are fine for small batches; weigh into them rather than reading their marks.
2
Let both liquids reach room temperatureIn a cold room or after a cold night, oil can be noticeably thicker and slower to dissolve. Bring bottles indoors for some hours before mixing. Do not heat either liquid on a stove or in a microwave: there is no published reason to, flammability is a concern with any fragrance liquid, and warmth drives off the lightest notes.
3
Weigh the base first, then the oilTare, base, tare, oil. Putting the larger liquid in first means the oil goes into a body of base rather than clinging to the walls of an empty vessel, and it is easier to correct if you overshoot. Write both weights on the batch sheet as you go.
4
Stir slowly, reaching the bottom and cornersA glass rod, a clean spoon, or the CSI Pro Mixer on a gentle setting. Slow and thorough beats fast: fast whisking folds in air, and fine bubbles look exactly like haze until they rise. Stir until you see no streaks — the oily ripples where two liquids have not yet mixed — when you hold the vessel against light. A minute or two is a labelled working practice; larger batches take longer.
5
Cover it and rest 24–48 hoursEvery CSI base page asks for this rest. Cover the vessel or pour into a clean bottle and cap it: an uncovered blend lets the lightest notes evaporate and dust settle in. Keep it at room temperature, out of sun. Rest the clarity sample beside it.
6
Check, stir gently once, then bottleRead the sample against white and black card. If it is clear, give the batch one slow stir before bottling — anything that has settled is mixed back in — and fill each bottle by weight. For a batch, keep the first and the last bottle you fill as your uniformity check.

That is the whole method, and it works at any scale from one bottle to a production batch. What changes with scale is how long the stir takes and how much it matters that the last bottle is the same as the first. The 100 ml method pillar has the full single-bottle sequence; making reed diffusers without a heating machine lists the minimum equipment; scaling a trial formula to a 10 kg batch covers mixing at production size.

The CSI principle
Weigh it, stir it slowly to the bottom, cover it and wait. A blend that is still hazy after that is telling you about compatibility, not technique.
Mixing can create haze — water, cold oil, air bubbles, an uncovered rest — and a good method removes those causes. It cannot make an incompatible oil dissolve.

Why blends go cloudy or uneven — and which causes are yours

When a blend is not clear and uniform, the cause is either the method or the formula. The method causes are cheap to fix and you should rule them out first; the formula causes need a load step or a different base. The table sorts them.

General diffuser practice · use it to decide whether to change the method or the formula
What you see, the likely cause, and the fix
What you see Method cause (fix the process) Formula cause (fix the load or base)
Milky haze straight after stirring Water in the vessel; fast whisking (bubbles) Oil not dissolving at that load in that base
Haze that clears in an hour Air bubbles rising out — wait, do not judge yet —
Streaks or oily ripples Not stirred long enough or not to the bottom —
Haze that appears at 24–48 h — Borderline compatibility; step down 5 points
A layer at top or bottom after rest Not stirred before bottling Separation — a compatibility fail
Haze only after a cold night Oil or base very cold when mixed Borderline at that load; step down or change base
First and last bottles smell different Settling; no stir before bottling; bottled from the top —
Sediment or droplets on the glass Dirty or wet vessel Separation; do not filter it away — reformulate

Two of those rows deserve emphasis. Haze that appears during the rest is not a mixing problem — no amount of stirring will hold an oil in a base it does not dissolve in at that percentage. The Longevity page says so for heavy oils: "if clouding occurs, reduce fragrance percentage and retest — heavy oils like oud can cloud at maximum load in some bases". And sediment is not something to filter out; filtering removes part of the fragrance and leaves you with a different, unrecorded formula. Stopping a diffuser going cloudy after adding fragrance oil and checking a 20% formula is compatible are the formula-side pages.

The common mistake: heating the blend to clear it. A maker sees haze, warms the beaker, watches it clear, and bottles it. In the bottle it cools and the haze comes back — and some of the lightest notes have gone. Fix: never heat. If a correctly mixed blend is hazy at room temperature after its rest, it is not compatible at that load; remake it 5 points lower or in the base whose page names the family.

Test your method: hand-stirred against mixer, first bottle against last

You cannot see uniformity in a beaker. You can see it in the difference between the first bottle you fill and the last.

This test checks whether your method makes a uniform batch, and whether a mixer improves on a careful hand stir. Two identical batches of 220 g at 20% — Dark Vanilla Oud in Longevity Base, a heavy oriental–gourmand of the kind the Longevity page names — mixed two ways. From each batch you fill two 100 ml bottles, the first and the last poured, and take two 10 g samples, one from the top and one from the bottom of the vessel after the rest, before the final stir.

Two arms · 220 g each at 20% = 44 g oil + 176 g base · the arms differ in the mixing method only
Method test
Arm Mixing Bottles Samples The one difference
A — control Glass rod or spoon, slow, to the bottom, until no streaks; note the time A-first, A-last A-top, A-bottom None
B — mixer CSI Pro Mixer on a gentle setting for the same time as A B-first, B-last B-top, B-bottom Mixer instead of hand stir
1
Weigh both batches identicallyBase first (176 g), then oil (44 g), in two identical dry vessels. Record the weights. If you overshoot the oil, add base in proportion — see the correction below — rather than spooning oil out.
2
Mix each the same length of timeTime arm A's hand stir until no streaks show; mix arm B for the same time. Keep the mixer head below the surface and on a low setting to avoid folding in air.
3
Cover and rest both 24–48 hoursSide by side, same room, same light.
4
Take top and bottom samples before the final stirWith a clean spoon or pipette (pipettes are not a CSI item), take 10 g from just below the surface and 10 g from the bottom into labelled clear glasses. Compare them against white and black card: any difference in clarity or colour means the batch was not uniform.
5
Stir gently, then fill first and last bottlesOne slow stir, then fill the first bottle and, after setting aside the liquid you would use for any other bottles, fill the last from what remains. Weigh 100 g into each. Insert 8 black reeds; flip after the first hour (the Pure Performance page's instruction) or after 2–3 hours as the Longevity page advises — keep both arms on the same schedule.
6
Weigh and score the four bottlesDay 0, 1, 3, 7, 14. Blind room scores, one bottle in the room at a time. A uniform batch gives first and last bottles that match each other on g/day and score.
Record sheet · clarity 0 clear – 3 opaque · room scale written before the first score
Uniformity record
Item Clarity 48 h Clarity 7 d g/day d1–7 g/day d7–14 Score d3 Score d7 Notes
A-top ___ ___ — — — —
A-bottom ___ ___ — — — —
A-first ___ ___ ___ ___ ___ ___
A-last ___ ___ ___ ___ ___ ___
B-top ___ ___ — — — —
B-bottom ___ ___ — — — —
B-first ___ ___ ___ ___ ___ ___
B-last ___ ___ ___ ___ ___ ___

Read it in pairs. If A-top and A-bottom match, and A-first and A-last match on g/day and score, your hand stir is making a uniform batch and a mixer is a convenience, not a fix. If arm A's pairs disagree and arm B's agree, the mixer is earning its place at your batch size. If both arms' pairs disagree, the stir time is too short for the batch — repeat with longer stirring before blaming the formula. A premium diffuser that looks clear and consistent uses the same record for finished-product QC.

Correcting an overshoot without spoiling the load
If you pour too much oil — say 46 g instead of 44 g — do not spoon it out. Recalculate the total: 46 g ÷ 0.20 = 230 g of blend, so add 8 g more base to the 176 g already in. The load stays 20%; you simply have a slightly bigger batch. Write the corrected weights on the sheet.

The priced kit

Two 220 g batches, four 120 ml bottles · base, bottles, reeds, mixer CSI live pricing, pulled 14 October 2026 · oil CSI live pricing, pulled 24 September 2026, stock re-checked 14 October 2026
Mixing-method test
Item Need Buy Price Left over
Longevity Base 352 g 1 × 500 ml ₹1,296.00 about 148 g at 1.00 g/ml
Dark Vanilla Oud (example oil) 88 g 1 × 100 g ₹590.00 12 g
Gold Reed Diffuser Bottle 120 ml 4 bottles 1 × pack of 10 ₹1,062.00 6 bottles
Fiber Diffuser Reeds (Black) 32 reeds 1 × pack of 50 ₹400.00 18 reeds
Materials ₹3,348.00
CSI Pro Mixer arm B 1 ₹349.00 —
With mixer ₹3,697.00

The base covers both batches with about 148 g spare at the example density (1.00 g/ml; weigh 100 ml of it to check). The oil line is the cheapest in-stock cover for 88 g. A Weighing Scale (₹354.00) is the one tool you cannot do without; check what steps its display moves in, since the resolution is not published. For a vessel, the 250 ml silicone beaker (₹600.00) holds one 220 g batch with room to stir.

Argued against our own interest, plainly. You probably do not need the ₹349.00 mixer. For batches of a few hundred grams, a slow, timed hand stir to the bottom of a clear vessel is commonly all it takes, and this test is designed to show you that before you buy one. The mixer is worth it when your batches grow, when you mix several a day, or when arm A's first and last bottles disagree and arm B's do not.

From the test to production batches

Once your method passes, write it down as a standard: vessel, order of addition, stir tool and setting, stir time per batch size, rest time, the sample you keep and the final stir before bottling. A single 500 ml bottle of Longevity at 20% makes about 625 g of blend at the example density — 6 fills of 100 g — and that is a batch where the last bottle can easily differ from the first if the final stir is skipped. For anything larger, mix in one vessel big enough to stir properly rather than several small ones, and keep the first-and-last check on every batch.

At production rates, one 100 ml diffuser at 20% costs ₹113.82 of Dark Vanilla Oud at the 1 kg rate + ₹207.36 of Longevity at an example 1.00 g/ml (₹197.49–₹218.27 at ±5%) + the ₹106.20 bottle + 8 black reeds at ₹8.00 = ₹491.38 in CSI materials, before labels, box, labour, freight and GST. Mixing method adds nothing to that — which is why a careful method is the cheapest quality improvement you will ever make. Ten 100 ml bottles from one batch and fifty diffusers for corporate gifting apply this at batch scale.

Most cloudy diffusers were made in a hurry. The rest were made with the wrong load. A slow stir and a covered rest will tell you which one you have.
— CandleMakingSuppliesIndia
Diwali is Sunday 8 November 2026 — 25 days away. Festive batches are bigger and made faster, which is exactly when skipped rests and unstirred last bottles show up. Write your mixing standard now and run the first-and-last check on every festive batch. For batch quantities beyond listed 500 ml bottles, ask us on WhatsApp — larger quantities are quoted, with no published volume discount.
Ask about batch quantities

The decision rule

Working decision rule · stop at the first line that is true
Method, mixer or formula?
If this is true Do this
Haze straight after stirring that clears within an hour Bubbles. Buy nothing. Stir more slowly; wait before judging
Haze or layer appears during the 24–48 h rest Formula, not method. Step down 5 points or change base — 7913
Top and bottom samples differ in arm A only Your hand stir is too short or too shallow; stir longer — or buy the mixer (₹349.00)
First and last bottles differ in both arms No stir before bottling, or a layer; add the final stir; check clarity again
Both arms uniform and clear Buy nothing for mixing. Write the method down as your standard
Haze only after a cold night Mix at room temperature; if it persists, the load is borderline for that base

The CSI products in this test

1
Mix and weigh · the only tools you need
Weighing and mixing tools
The scale is essential; the mixer is optional and this page's test tells you whether you need it. Silicone beakers are mixing vessels — weigh into them; do not use their volume marks for recipes.
Item Price Note
Weighing Scale ₹354.00 Resolution not published — check the display steps
CSI Pro Mixer (cordless handheld) ₹349.00 Optional; a clean glass rod or spoon also works
Silicon Measuring Beaker 250 ml ₹600.00 For batches above about 100 g
Silicon Measuring Beaker 100 ml ₹300.00 Mixing vessel; weigh, do not measure by its marks
₹354.00 scale · ₹349.00 mixer Buy the CSI Pro Mixer
2
Example base · page names oriental and gourmand
Longevity Base — Professional Reed & Car Diffuser Base
CSI's product page states it is for oriental/amber, woody, resinous/balsamic, spicy and gourmand families, with slower "cold diffusion"; 10–30%; rest 24–48 hours; "if clouding occurs, reduce fragrance percentage and retest — heavy oils like oud can cloud at maximum load in some bases"; allow 2–3 hours before the first flip. Claims to test; composition and density are not published.
Size Price Per unit Stock (14 Oct 2026)
500 ml ₹1,296.00 ₹2.59 per ml · ₹2.59 per g at an example 1.00 g/ml In stock
₹1,296.00 for 500 ml — both batches Buy Longevity Base
3
Example oil · 20.0 g per 100 ml at 20%
Dark Vanilla Oud Fragrance Oil
A dark vanilla–oud: the heavy, sweet kind of oil the Longevity page warns can cloud at high load in some bases, which makes it a fair test of a mixing method. CSI publishes no diffuser performance or IFRA percentage for any oil — ask for the certificate on WhatsApp and read its Category 10A limit.
Pack Price Per gram Bottles at 20.0 g oil
15 g ₹105.02 ₹7.00 0.8
50 g ₹320.00 ₹6.40 2.5
100 g ₹590.00 ₹5.90 5.0
500 g ₹2,845.00 ₹5.69 25.0
1 kg ₹5,691.00 ₹5.69 50.0
₹590.00 for 1 × 100 g Buy Dark Vanilla Oud
4
Bottle · 120 ml, filled to 100 ml
Gold Reed Diffuser Bottle (clear glass, gold-tone screw cap)
Clear glass shows haze and layers in use — part of the uniformity check. Fill line and neck size are not published; fill by weight.
Variant Price Per bottle Stock (14 Oct 2026)
50 ml · pack of 10 ₹826.00 ₹82.60 In stock
120 ml · pack of 10 ₹1,062.00 ₹106.20 In stock
₹1,062.00 for ten Buy Gold Reed Diffuser Bottles
5
Reeds · 8 per bottle
Fiber Diffuser Reeds (Black)
Fibre reeds, 20.3 cm, diameter not published; the reed page suggests 6–8 for 50–100 ml.
Pack Price Per reed Bottles covered
Pack of 25 ₹236.00 ₹9.44 3 bottles at 8 reeds
Pack of 50 ₹400.00 ₹8.00 6 bottles at 8 reeds
Pack of 100 ₹800.00 ₹8.00 12 bottles at 8 reeds
Pack of 500 ₹4,000.00 ₹8.00 62 bottles at 8 reeds
₹400.00 for 50 Buy black fibre reeds
Next. The 100 ml method pillar for the single-bottle sequence; the load pillar if your blend is hazy at your chosen load; the base pillar for choosing a base. The section hub lists every question in this section.
Why trust this guide

CANDLEMAKINGSUPPLIESINDIA supplies raw materials, not finished diffusers. The easy sale is a mixer. This page tells you a slow hand stir is often enough, designs the test to prove it before you buy one, and says plainly that we publish no compatibility, throw or evaporation data for any base or oil.

Diffuser bases, fibre reeds, Gold bottles, beakers, scale and mixer are CSI live pricing, pulled 14 October 2026. Fragrance oils are CSI live pricing, pulled 24 September 2026, stock re-checked 14 October 2026. Every gram split, ml-to-g conversion, per-bottle cost and kit total on this page is computed and shown to two decimals so you can check it; densities are labelled examples, never CSI specifications.

Bottle counts per arm, clarity checkpoints, weighing schedules, room-scoring scales and loss allowances are labelled working practices, not industry standards — none exists for reed diffuser performance. Stir times, the 10 g top/bottom samples, the first-and-last bottle check, the 1.00 g/ml density and the clarity scale are labelled working practices you can change. For help building a test kit, bulk quotes, GST invoicing, MSDS or IFRA documents, message us on WhatsApp at +91 7397976926.

Frequently asked questions

How do you mix fragrance oil with reed diffuser base?
Weigh the base, then the oil, into a dry clear vessel at room temperature, stir slowly until no streaks show, cover and rest 24–48 hours, then stir gently and bottle by weight.
Should I add fragrance oil or base first?
Base first is common practice: the oil goes into a body of liquid rather than clinging to an empty vessel, and an overshoot is easier to correct by adding base in proportion.
Do I need to heat reed diffuser oil to mix it?
No. Mix at room temperature. Heating can temporarily clear haze, drive off the lightest notes and hide an incompatible load.
Why is my reed diffuser cloudy after mixing?
Bubbles from fast stirring clear within an hour; water in the vessel causes milky haze. Haze that appears during the rest means the oil is not compatible at that load — step down or change base.
How long should I stir reed diffuser oil?
Until there are no streaks when you hold the vessel against light — a minute or two for small batches is a labelled working practice; larger batches take longer.
How long should reed diffuser oil rest before using?
CSI's base pages say 24–48 hours before bottling. Rest it covered, check clarity, stir gently once, then bottle.
A slow stir and a covered rest
Base, then oil. Stir to the bottom. Wait.
Weighing Scale ₹354.00, CSI Pro Mixer ₹349.00, Longevity Base ₹1,296.00 for 500 ml, Gold Reed Diffuser Bottles ₹1,062.00 for ten 120 ml. If your blend is still hazy after a careful method, send us the oil, base and load and we will help you find the cause.
Shop reed diffuser bases Send my formula on WhatsApp
Continue the read — How to make a reed diffuser that actually works
Editorial standards & sources
About this guide: Written by the CANDLEMAKINGSUPPLIESINDIA team. The mixing method, the cause table and the uniformity test apply to any base and oil from any supplier; the products named are CSI's.

Customer reviews: The six reviews at the top of this page are genuine, published Judge.me reviews left by CSI customers on the product pages named on each card — Eco Candle Wicks, Premium Candle Wicking Needle and Bamboo Wick Holder. They are general product reviews, not assessments of the guidance set out here. Names, star ratings, dates and products are as recorded by Judge.me and wording is unedited. "Verified buyer" appears only on the three reviews Judge.me recorded as verified — Monika Deep, Subhankar Roy and Sneha Tamang; the reviews from Ashwini, LJ and Lalitha Jagan are published but not recorded as verified, and carry no badge.

Figures pulled 14 October 2026 and 24 September 2026: Diffuser bases, reeds, bottles and tools — CSI live pricing, pulled 14 October 2026: Pure Performance Base ₹325.00 / 100 g, ₹1,099.00 / 500 ml; Longevity Base ₹1,296.00 / 500 ml; Lift Base ₹1,099.00 / 500 ml; Depth Base ₹1,099.00 / 500 ml; Softness Base ₹1,099.00 / 500 ml; CSI HyperDiffusion Base™ ₹1,499.00 (out of stock); Fiber Diffuser Reeds (Black) ₹236.00 / 25, ₹400.00 / 50, ₹800.00 / 100, ₹4,000.00 / 500; Fiber Diffuser Reeds (White) ₹265.00 / 25, ₹450.00 / 50, ₹900.00 / 100, ₹4,500.00 / 500 (both 20.3 cm long); Gold Reed Diffuser Bottle 50 ml ₹826.00 / pack of 10, 120 ml ₹1,062.00 / pack of 10; Weighing Scale ₹354.00; Silicon Measuring Beaker 100 ml ₹300.00, 250 ml ₹600.00; CSI Pro Mixer ₹349.00. Fragrance oils — CSI live pricing, pulled 24 September 2026, stock re-checked 14 October 2026: Dark Vanilla Oud Fragrance Oil ₹105.02 / 15 g, ₹320.00 / 50 g, ₹590.00 / 100 g, ₹2,845.00 / 500 g, ₹5,691.00 / 1 kg.

Non-price figures and assumptions: Fragrance load is a share of the total blend by weight (oil g = blend g × L; base g = blend g × (1 − L)). No density is published for any CSI base or oil: every ml-to-g conversion uses a labelled example density and shows ±5%; weigh 100 ml of your own blend to get yours. Method test: two 220 g batches at 20% (44 g oil + 176 g base), each giving two 100 g bottles (first and last poured, 100 ml at an example 1.00 g/ml) and two 10 g samples (top and bottom after rest); 8 black reeds per bottle. Overshoot example: 46 g oil poured → 230 g total → add 8 g base. Production cost uses Dark Vanilla Oud at the 1 kg rate and Longevity 500 ml at the example density. Stir times and the clarity scale are labelled working practice. What CSI's base pages state (quoted as claims to test, not CSI test results): every base is a "Professional … Reed & Car Diffuser Base", crystal clear per its page, used at 10–30% fragrance of the total blend with a 24–48 hour rest before bottling. Pure Performance — neutral, "no added fixatives, no complex enhancements", for all families, "start at 10% … up to a maximum of 30%", "20% recommended", a "typical working blend 75% base + 25% fragrance", the example "for a 100 ml finished diffuser at 25%: 75 ml base + 25 ml fragrance oil", and "flip reeds after the first hour". Longevity — oriental/amber, woody, resinous/balsamic, spicy and gourmand; "avoid light florals, fresh citrus, aquatics — use Lift Base"; slower "cold diffusion"; "if clouding occurs, reduce fragrance percentage and retest"; "allow 2–3 hours before the first flip". Lift — floral, citrus, green and fruity. Depth — chypre, leather, smoky and rich gourmand; "stabilises tricky sweet and spicy fragrance oils". Softness — soft florals, powdery/musky, light gourmand. Reed page — 20.3 cm long; "for a standard 50–100 ml diffuser bottle, 6–8 reeds gives a good balance". Bottle page — variants 50 ml and 120 ml (its text says "50 and 100ml"); neck diameter, fill line and any reducer are not stated. CSI publishes no composition, density, viscosity, evaporation rate, flash point or shelf life for any diffuser base; no throw, evaporation or longevity result for any base, oil or reed; no reed diameter; no bottle neck size or fill line; no IFRA percentage for any oil; and no bulk base price. The five bases are told apart only by what their pages say they are for — never by a measured result. IFRA: reed diffusers are listed under Category 10A in current IFRA amendments as commonly summarised in suppliers' guides; read the Category 10A limit on the certificate for your oil, which CSI provides on WhatsApp request. Material costs exclude labour, packaging, freight and GST. Diwali 2026 falls on Sunday 8 November.
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