★ SOSA reed diffusers · AC placement
In an air-conditioned room the variable is not how far the bottle sits from the unit. It is whether the bottle stands in the air path at all
★ ★ ★ ★ ★
★★★★★
"The tissue test took four minutes and showed me the air was travelling right over the shelf I had chosen. Moved the bottle diagonally across and it was a different room by evening."
Morning Freshness 50ml
★★★★★
"I had measured three metres from the split and thought I was safe. I was standing directly in its throw. Direction, not distance — that line stuck."
Study · split unit
★★★★★
"Bedroom console by the door instead of the dressing table under the unit. Same Evening Calm bottle, and now I actually notice it when I walk in."
Evening Calm · bedroom
★★★★★
"Our cassette unit in the ceiling throws in four directions, so the map looked completely different. Ended up on the sideboard against the return side."
Cassette AC · living room
★★★★★
"Day and Night duo, one in each AC bedroom, both placed on the walk-past route rather than the pretty spot. Best decision."
Day & Night duo ₹1,498
★★★★★
"Window AC in a rented room, so the whole wall was the problem. Diagonal corner console worked and the bottle stopped emptying early."
Rented room · window AC
★★★★★
"The tissue test took four minutes and showed me the air was travelling right over the shelf I had chosen. Moved the bottle diagonally across and it was a different room by evening."
Morning Freshness 50ml
★★★★★
"I had measured three metres from the split and thought I was safe. I was standing directly in its throw. Direction, not distance — that line stuck."
Study · split unit
★★★★★
"Bedroom console by the door instead of the dressing table under the unit. Same Evening Calm bottle, and now I actually notice it when I walk in."
Evening Calm · bedroom
★★★★★
"Our cassette unit in the ceiling throws in four directions, so the map looked completely different. Ended up on the sideboard against the return side."
Cassette AC · living room
★★★★★
"Day and Night duo, one in each AC bedroom, both placed on the walk-past route rather than the pretty spot. Best decision."
Day & Night duo ₹1,498
★★★★★
"Window AC in a rented room, so the whole wall was the problem. Diagonal corner console worked and the bottle stopped emptying early."
Rented room · window AC
✓ Six fibre reeds per bottle · alcohol-free, phthalate-free CCT base · handmade in Pune ✓ Free shipping above ₹499 · a portion funds girl-child education through Nanhi Kali ✓ 50ml lasts 6–8 weeks · 130ml lasts 14–18 weeks · oil refill 300ml ₹2,399
Founder Diaries · Reed Diffusers · AC Placement
Then go diagonal: the best spot in almost every air-conditioned room is diagonally opposite the unit, on the side where the air is returning rather than arriving.
Height and surface: waist to chest, on a tray, with a few feet of clear space. Not a high shelf, not the floor, not inside a cabinet.
The tie-breaker: among the spots that pass the tissue test, choose the one people walk past most often. Human traffic distributes; mechanical air strips.
Garden Bloom₹799 · 8.9/10A room with an air conditioner running is a loop. Cold air leaves the unit fast along the upper part of the space, loses speed as it crosses, sinks as it cools the room, drifts back low and is drawn up again at the unit. The fast, damaging leg is the first part of that journey. The far diagonal is where the loop has slowed to something a reed diffuser can live in, but is still moving enough to carry fragrance around the room. That combination — moving, but not fast — is the whole target. It is also, conveniently, where most Indian bedrooms already have a console or chest of drawers, and where most living rooms already have a sideboard. You are usually not being asked to redesign a room, only to prefer one existing surface over another.
Morning Freshness · 9.0/10from ₹749Shop → 
Evening Calm · 8.9/10from ₹799Shop → 
Day & Night duo · two rooms₹1,498Shop →
SOSA reed diffuser range & prices (verified August 2026): alcohol-free, phthalate-free, paraben-free and IFRA-compliant compositions on a heat-stable coconut-derived (CCT) carrier, low-VOC, supplied in a refillable glass bottle with six fibre reeds; 50ml lasts 6–8 weeks and 130ml lasts 14–18 weeks. Morning Freshness (Malabar lemon · peppermint · Nilgiri eucalyptus) 50ml ₹749 · 130ml ₹1,249 · 9.0/10; Garden Bloom (British rose · night-blooming jasmine) 50ml ₹799 · 130ml ₹1,299 · 8.9/10; Evening Calm (Kashmir lavender · chamomile) 50ml ₹799 · 130ml ₹1,299 · 8.9/10; Fresh Brew (Coorg coffee · Kerala vanilla) 50ml ₹849 · 130ml ₹1,349 · 9.5/10; Mountain Breeze (Himalayan pine · sage · Indian cedar) 50ml ₹849 · 130ml ₹1,349 · 9.4/10. Reed diffuser refills are oil only — you reuse your own vessel and reeds: 300ml ₹2,399 (roughly 8–11 months) · 500ml ₹3,499 (roughly 14–18 months), about ₹7–8 per ml against ₹15–17 per ml for a 50ml bottle. Duo sets ₹1,498–₹1,598 for 2 × 50ml and ₹2,498–₹2,598 for 2 × 130ml. Strength figures are positions on SOSA’s own internal strength scale, not an industry standard. Replacement reeds are not sold as a separate SKU; SOSA guidance is to refresh reeds every few months. The reed line is separate from the water-based Hotel Collection for ultrasonic machines (15ml ₹299 · 100ml ₹999 · 300ml ₹1,799) and the two are not interchangeable. Diffusers: Boond 300ml ₹899 · Sukoon 500ml ₹1,899 · Megh 6L ₹3,499 · waterless Vaayu ₹11,999. Composed and handmade in small batches in Pune, India; tested through 45°C summer heat and 85% monsoon humidity. Free shipping above ₹499. A portion of every order supports girl-child education through Nanhi Kali. Prices subject to change — see the live product pages.
The question almost always arrives as a distance. How many feet from the air conditioner should the bottle be — three, six, ten? Distance is the wrong variable. A split unit does not radiate air evenly in all directions like a heater; it fires a narrow, fast column along one particular line, and that line may pass eight feet away from the unit at head height and miss the console standing three feet beneath it entirely. What you need is not a measurement but a map. This page is how to make one, with a strip of tissue and four minutes, and then how to read it.
Quick answers — read this first
Make the map first: tape a strip of tissue to a pencil, switch the unit to high with the louvre fixed, and walk the room slowly holding it at chest height. Wherever the tissue lifts or flutters, the air path passes. That is the exclusion zone.Then go diagonal: the best spot in almost every air-conditioned room is diagonally opposite the unit, on the side where the air is returning rather than arriving.
Height and surface: waist to chest, on a tray, with a few feet of clear space. Not a high shelf, not the floor, not inside a cabinet.
The tie-breaker: among the spots that pass the tissue test, choose the one people walk past most often. Human traffic distributes; mechanical air strips.
The short answer
Short answer: place it diagonally across the room from the air conditioner, out of the visible air path, at roughly waist to chest height, on a console or sideboard that people walk past — ideally near the doorway. Stand it on a tray, leave clear space around it, and keep it out of direct sunlight. In a typical air-conditioned bedroom that means the chest of drawers or console by the door rather than the dressing table under the unit.
The mechanism: a reed diffuser has no propulsion. It releases fragrance from six fibre reeds and depends on the room to carry it. Fast mechanical air over those reeds removes vapour faster than capillary action can replace it, so the bottle empties early and the room stays quiet. Slow, intermittent, human-scale movement does the opposite — it distributes without stripping.
Shop: for cold, dry AC air, Morning Freshness at 9.0/10 reads sharp and clear, ₹749 for 50ml. For AC bedrooms, Evening Calm ₹799. Two air-conditioned rooms are best served by the Day & Night duo at ₹1,498 for 2 × 50ml. Free shipping above ₹499.
In this guide
Clear in cold air
Morning Freshness 9.0 · from ₹749
Two AC rooms covered
Day & Night duo · ₹1,498
For the sealed bedroom
Evening Calm 8.9 · from ₹799
Straight answer
Where exactly should a reed diffuser go in an air-conditioned room?
1. Find the air path before you choose a surface. Tape a 15cm strip of ordinary tissue to a pencil, set the unit to high with the swing switched off, and walk the room holding it at chest height, then again at knee height. Wherever it lifts, the air is fast. That takes four minutes and replaces every guess on this page.
2. Place diagonally opposite the unit. Air leaves a split along the upper part of the room, travels to the far wall, drops and returns low. The far corner, on the return side, is slow-moving, well-mixed air — the best conditions a passive diffuser gets indoors.
3. Waist to chest height, on a tray. A console, sideboard, chest of drawers or dressing table. Not a high shelf, which is usually where the fast leg travels; not the floor, where nobody meets it; never inside a cabinet.
4. Among the spots that pass, pick the one people walk past. A doorway console beats a decorative corner, because footfall is intermittent air movement and intermittent is exactly what this format wants.
5. Leave the bottle clear. A few feet of open air, no curtain against it, no cushions or upholstery pressed up beside it — soft furnishings absorb fragrance and give nothing back.
6. Redo the map when the season changes. The louvre position you use in May is not the one you use in October, and a placement that was fine all winter can end up in the stream the day summer settings return.
Composed and handmade in small batches in Pune, and a portion of every order supports girl-child education through Nanhi Kali.
2. Place diagonally opposite the unit. Air leaves a split along the upper part of the room, travels to the far wall, drops and returns low. The far corner, on the return side, is slow-moving, well-mixed air — the best conditions a passive diffuser gets indoors.
3. Waist to chest height, on a tray. A console, sideboard, chest of drawers or dressing table. Not a high shelf, which is usually where the fast leg travels; not the floor, where nobody meets it; never inside a cabinet.
4. Among the spots that pass, pick the one people walk past. A doorway console beats a decorative corner, because footfall is intermittent air movement and intermittent is exactly what this format wants.
5. Leave the bottle clear. A few feet of open air, no curtain against it, no cushions or upholstery pressed up beside it — soft furnishings absorb fragrance and give nothing back.
6. Redo the map when the season changes. The louvre position you use in May is not the one you use in October, and a placement that was fine all winter can end up in the stream the day summer settings return.
Composed and handmade in small batches in Pune, and a portion of every order supports girl-child education through Nanhi Kali.
TL;DR: map the air with a tissue, exclude everywhere it flutters, then choose the surface diagonally opposite the unit, waist to chest, on a tray, on a route people actually walk. Direction beats distance every time.
The one that reads loudest in cold air
SOSA Morning Freshness · Malabar lemon, peppermint & Nilgiri eucalyptus ₹749 / 50ml
It measures 9.0 on our own internal strength scale at six reeds, below Fresh Brew and Mountain Breeze — and in a cold, dehumidified room it often reads as the most present thing in the range, because sharp, cold notes cut through chilled air where warmer ones settle. Alcohol-free and phthalate-free on a heat-stable CCT base. The natural choice for an air-conditioned home office or a cabin. 130ml ₹1,249 for 14–18 weeks.
Part one — making the map
Every recommendation that follows depends on one piece of information you almost certainly do not have: where the air in your particular room actually goes. Unit placement, louvre angle, ceiling height, the position of a wardrobe and whether the door is left open all change it, which is why no general rule about feet and metres survives contact with a real flat. Four minutes of survey beats any rule of thumb, and it costs a strip of tissue.
1
STEP ONE · FOUR MINUTES
The tissue survey
Tear a strip of single-ply tissue about fifteen centimetres long and tape one end to a pencil or a chopstick so it hangs free. Set the air conditioner to its coldest and fastest setting with the swing switched off, so you are mapping the worst case rather than an average. Now walk the room in slow lines, holding the strip at chest height — the height a diffuser will actually stand at — and watch it. Where it hangs limp, the air is calm. Where it lifts, flutters or streams sideways, you have found the path, and no bottle should stand there. Walk the same lines again at knee height and once with your arm raised, because the fast leg often runs higher than people expect and the return leg often runs lower. If you have a ceiling cassette, do the walk in four directions from underneath it. Mark the calm zones mentally, or with a phone photo of the room, and the rest of this decision becomes trivial.
The rule: anywhere the tissue moves with the unit on high is an exclusion zone, however good the surface looks.
2
STEP TWO · READ THE MAP
Why diagonal is almost always the answer
Garden Bloom₹799 · 8.9/10A room with an air conditioner running is a loop. Cold air leaves the unit fast along the upper part of the space, loses speed as it crosses, sinks as it cools the room, drifts back low and is drawn up again at the unit. The fast, damaging leg is the first part of that journey. The far diagonal is where the loop has slowed to something a reed diffuser can live in, but is still moving enough to carry fragrance around the room. That combination — moving, but not fast — is the whole target. It is also, conveniently, where most Indian bedrooms already have a console or chest of drawers, and where most living rooms already have a sideboard. You are usually not being asked to redesign a room, only to prefer one existing surface over another.
The tell: if the fragrance is obvious in the far corner and absent near the unit, you have placed it correctly, not incorrectly.
3
STEP THREE · THE SURFACE ITSELF
Height, clearance and the tray
Once the zone is chosen, the surface matters less than three details. Height: waist to chest, roughly ninety centimetres to a metre and a quarter, because that is where noses are and because the fast leg of an AC loop usually runs above it. Clearance: a few feet of open air, no curtain hanging against the glass, no cushions or upholstered arm pressed beside it — soft furnishings absorb fragrance and return none of it, which is why a bottle tucked behind a sofa back always seems weaker than the same bottle on open ground. And a tray, always: reed oil marks wood and stone, and a tray also stops the bottle being knocked when a wardrobe door swings. Keep it away from children and pets, and out of any patch of direct sun, which cooks the oil regardless of how cold the room is.
Part two — room by room in an air-conditioned home
The map tells you the exclusion zone; experience tells you which of the remaining surfaces tends to work. Here is where units usually sit in Indian homes, where the bottle should go instead, and the surface people most often choose by mistake.
AC rooms, one by one
Where the unit is, where the bottle goes, and the classic error
| Room | Where the unit usually sits | Put the bottle | The classic mistake | Scent that suits |
|---|---|---|---|---|
| AC bedroom ★ | High on the wall above or beside the bed | Console or chest of drawers by the door | Dressing table directly in the throw | Evening Calm ₹799 |
| Home office or cabin | Behind or above the desk | Shelf on the opposite wall, chest height | On the desk, directly downwind | Morning Freshness ₹749 |
| Living room, wall split | One long wall, aimed across the seating | Sideboard on the far diagonal, near the hall | Coffee table in the middle of the throw | Garden Bloom ₹799 |
| Living-dining, ceiling cassette | Centre of the ceiling, throwing four ways | Against a wall, outside the four arms | Dining table centrepiece, straight underneath | Two bottles, one per end |
| Rented room, window unit | Low in the window, blowing along one wall | Opposite corner console, away from the glass | Windowsill beside the unit — draught and sun | Morning Freshness ₹749 |
| The honest caveat: these are patterns, not measurements, and they come from SOSA's own customer correspondence and in-house testing rather than from laboratory work — your unit, ceiling height and furniture will move them, which is exactly why the tissue survey exists. And placement cannot beat volume: past roughly 250–300 sq ft of connected open space, no single passive bottle will fill the room wherever you stand it. That is the format's ceiling, not a placement failure. | ||||
Shop this guide
What we put in our own air-conditioned rooms
Morning Freshness · 9.0/10from ₹749Shop → Evening Calm · 8.9/10from ₹799Shop → Day & Night duo · two rooms₹1,498Shop →
The SOSA principle
In an air-conditioned room, direction beats distance.
A bottle three feet below the unit can be perfectly safe while one twelve feet away sits squarely in the throw. Nothing about the room tells you which is which — only the tissue does.
Part three — what the tissue usually reveals
People who run the survey tend to be surprised by the same three things. The first is how high the fast leg runs. A wall split mounted near the ceiling throws along the top of the room, and the strip barely twitches at chest height directly beneath it while streaming sideways two metres away. This is why "keep it far from the AC" produces so many bad placements — the shelf on the opposite wall, at head height, is often the single worst surface in the room, and the console under the unit is often perfectly usable. The second surprise is the return leg. Air coming back low along the floor is slow, well mixed and carries fragrance beautifully; a bottle standing on a low-to-mid console on the return side gets circulation without scouring, which is the ideal a passive format is built around.
The third surprise is the doorway. In most homes the door of an air-conditioned room is opened and closed dozens of times a day, and each opening pushes a slug of air through the gap in a way no vent ever will. That is intermittent movement — a burst, then stillness, then another burst — and it is exactly the pattern that distributes fragrance without stripping the reeds. It is also where the person arriving first meets the room, which matters more than it sounds: a house is judged at its thresholds. If a surface passes the tissue test and sits within a metre or so of the doorway, stop looking; that is your spot.
One caution about repeating the exercise. The map is not permanent. Louvre angles change with the season, furniture moves, and a fan switched on alongside the air conditioner rewrites the loop entirely. If a bottle that behaved well for two months suddenly starts emptying faster or reading quieter, run the tissue again before concluding anything about the fragrance — in my experience something in the room has changed far more often than something in the bottle has. And if the survey shows almost the entire room in the path, the honest answer may be that this space is not suited to a passive format at all; a Sukoon at ₹1,899, covering 270–320 sq ft with a remote and timers, is not a defeat but a different tool.
Do not measure the distance to the air conditioner. Map where its air actually goes, then stand somewhere else.
— Sonal Sahani, SOSA
Part four — every position in the room, ranked
The survey results, arranged from best to worst. Nothing here costs money; it is a decision about which surface a bottle you already own stands on.
The AC placement ranking
From the best surface in the room to the one that quietly destroys bottles
| Position | Air over the reeds | What the room receives | Verdict |
|---|---|---|---|
| 1. Console on the far diagonal, near the door ★ | Slow return-leg circulation plus doorway bursts | Even distribution the moment anyone walks in | The best spot in an AC room |
| 2. Sideboard or chest on the return side | Gentle, well-mixed, never fast | Steady presence across the space | Excellent — the usual winner |
| 3. Low console directly beneath a wall split | Often calm; the throw passes overhead | Good, if the tissue confirms it | Counter-intuitive but frequently fine |
| 4. Mid-room table away from the throw | Calm but enclosed by seating | Adequate; soft furnishings absorb some | Acceptable, rarely the best |
| 5. High shelf on the opposite wall | Usually squarely in the fast leg | Thin plume, little accumulation | Avoid — the commonest bad choice |
| 6. Windowsill in an air-conditioned room | Draught when open, heat through the glass when shut | Very little, and the oil degrades | Avoid entirely |
| 7. On top of the unit, or inside a closed cabinet | Either scoured or completely still | Nothing usable in both cases | Never |
Honest notes for buyers: this ranking is SOSA working guidance drawn from in-house testing and customer correspondence, not laboratory measurement; unit type, ceiling height, furniture and season all move it, which is why the tissue survey comes first. Strength ratings quoted here are positions on SOSA's internal scale at six reeds, not an industry standard. The refills are oil only — you reuse your own glass vessel and your own reeds — and replacement reeds are not sold separately, an honest gap in our range; refresh reeds every few months. Reed oil never goes in a Sukoon or Boond, and the water-based Hotel Collection never goes in a reed bottle. Stand the bottle on a tray, keep it out of direct sun and away from children and pets. Handmade in small batches in Pune; a portion of every order supports girl-child education through Nanhi Kali.
When two rooms are air-conditioned
SOSA Day & Night duo · Morning Freshness + Evening Calm ₹1,498 / 2 × 50ml
Most homes end up running the AC in two rooms — a bedroom at night and a study or living room by day — and each needs its own map and its own bottle, because a passive point source cannot serve two sealed rooms at once. The duo pairs the bright 9.0 with the softest 8.9 in the range, which is the right split between a working room and a sleeping one. 2 × 130ml ₹2,498 for 14–18 weeks each.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
The tissue trick is not something I learned at ISIPCA. I learned it in our own studio, from an argument about why two identical bottles in one room were behaving completely differently. We had assumed the air moved the way the room looked as though it should. It did not. The strip of tissue settled it in under a minute and made both of us look rather foolish.
Since then I have asked every customer who writes in about an air-conditioned room to do the same thing before we talk about anything else, and it resolves the conversation more often than any product recommendation I could make. It costs nothing. It cannot be sold. It is, by some distance, the most useful thing on this page.
If the map shows that most of your room is in the path, please do not buy a second bottle in the hope of overwhelming it — that is spending against physics. Move what you have, and if there is nowhere to move it to, a machine is the honest answer. Everything we make is composed and handmade in small batches in Pune, and a part of every order funds a girl's classroom through Nanhi Kali.
Frequently asked questions
How far should a reed diffuser be from an air conditioner?
There is no reliable distance, because a split unit throws air along a line rather than in all directions. A bottle three feet below the unit is often untouched while one twelve feet away, at the wrong height, sits in the stream. Map the path with a strip of tissue at chest height with the unit on high, then place the bottle anywhere the tissue hangs still — usually the far diagonal.
Can I put a reed diffuser on my bedside table in an AC bedroom?
Often yes, if the bed is not directly in the unit's throw — bedside height is about right and you will meet the fragrance while falling asleep. Run the tissue check first, stand the bottle on a small tray because the oil marks wood, and keep it out of reach of children and pets. If the bedside table is in the path, the chest of drawers by the door is usually the better surface.
Does a ceiling cassette AC change where the bottle goes?
Yes, considerably. A cassette throws in four directions from the middle of the ceiling, so instead of one exclusion line you have four arms radiating outward. The calm zones are usually against the walls and in the corners between the arms. Walk the tissue out from directly beneath the unit in each of the four directions and you will find the boundaries quickly.
Should the diffuser be high up or low down in an AC room?
Waist to chest is the working band — roughly ninety centimetres to a metre and a quarter. It is where noses are, it is below the fast upper leg of a wall split's loop, and it is high enough that furniture does not trap the fragrance at floor level. High shelves are the commonest mistake in air-conditioned rooms; they look tidy and sit right in the stream.
Do I need a different fragrance for an air-conditioned room?
Not necessarily, but cold, dry air flattens sweetness first, so bright and dry compositions tend to read more clearly. Morning Freshness at 9.0/10 and Mountain Breeze at 9.4/10 hold their shape well in a chilled room. Those numbers are our own internal scale at six reeds, not an industry measure. Fix the placement before you change the fragrance.
AC room placement · 2027
Four minutes with a tissue. Then move the bottle once — and stop guessing at distances
Morning Freshness at 9.0/10 from ₹749 for 50ml (6–8 weeks) and ₹1,249 for 130ml (14–18 weeks), six fibre reeds in every bottle. Evening Calm ₹799 for the AC bedroom, or the Day & Night duo at ₹1,498 when two rooms are cooled. Oil-only refills from ₹2,399. Free shipping above ₹499.
Shop Morning Freshness → Day & Night duo ₹1,498
Continue the read
More on airflow and placement
- Does air conditioning affect reed diffusers? — the three effects, and which one to act on.
- Should you put one near an AC vent? — what the stream costs, stated in weeks.
- Best airflow placement, room by room — the same survey applied to a whole home.
- The complete airflow and placement guide, and why can't I smell my reed diffuser?
- Brand: the SOSA founder story.
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body, on how to locate an air conditioner's air path and place a reed diffuser out of it. The placement ranking, the room-by-room patterns and the height band quoted here are SOSA's own working guidance from in-house testing and customer correspondence, not laboratory measurements; results vary with unit type, room volume, ceiling height, furniture and season. Strength ratings are positions on SOSA's internal scale at six reeds, not an industry standard.SOSA reed diffuser range & prices (verified August 2026): alcohol-free, phthalate-free, paraben-free and IFRA-compliant compositions on a heat-stable coconut-derived (CCT) carrier, low-VOC, supplied in a refillable glass bottle with six fibre reeds; 50ml lasts 6–8 weeks and 130ml lasts 14–18 weeks. Morning Freshness (Malabar lemon · peppermint · Nilgiri eucalyptus) 50ml ₹749 · 130ml ₹1,249 · 9.0/10; Garden Bloom (British rose · night-blooming jasmine) 50ml ₹799 · 130ml ₹1,299 · 8.9/10; Evening Calm (Kashmir lavender · chamomile) 50ml ₹799 · 130ml ₹1,299 · 8.9/10; Fresh Brew (Coorg coffee · Kerala vanilla) 50ml ₹849 · 130ml ₹1,349 · 9.5/10; Mountain Breeze (Himalayan pine · sage · Indian cedar) 50ml ₹849 · 130ml ₹1,349 · 9.4/10. Reed diffuser refills are oil only — you reuse your own vessel and reeds: 300ml ₹2,399 (roughly 8–11 months) · 500ml ₹3,499 (roughly 14–18 months), about ₹7–8 per ml against ₹15–17 per ml for a 50ml bottle. Duo sets ₹1,498–₹1,598 for 2 × 50ml and ₹2,498–₹2,598 for 2 × 130ml. Strength figures are positions on SOSA’s own internal strength scale, not an industry standard. Replacement reeds are not sold as a separate SKU; SOSA guidance is to refresh reeds every few months. The reed line is separate from the water-based Hotel Collection for ultrasonic machines (15ml ₹299 · 100ml ₹999 · 300ml ₹1,799) and the two are not interchangeable. Diffusers: Boond 300ml ₹899 · Sukoon 500ml ₹1,899 · Megh 6L ₹3,499 · waterless Vaayu ₹11,999. Composed and handmade in small batches in Pune, India; tested through 45°C summer heat and 85% monsoon humidity. Free shipping above ₹499. A portion of every order supports girl-child education through Nanhi Kali. Prices subject to change — see the live product pages.