★ SOSA reed diffusers · placement
A reed diffuser has no fan. In a home the fan is the people walking past it — so draw the traffic map and put the bottle on it
★ ★ ★ ★ ★
★★★★★
"I spent a week actually watching where we walk. The console by the shoe rack was the answer. Same bottle, whole flat."
Garden Bloom 50ml
★★★★★
"It sat on a corner table nobody goes near for two months. Moved it to the passage outside the bedrooms and it doubled."
Mountain Breeze · relocated
★★★★★
"The forty-eight hour rule stopped me sniffing at it every ten minutes and declaring it a failure. Judged it on Sunday instead."
Morning Freshness 50ml
★★★★★
"My mother-in-law noticed it the moment she walked in, which is how I knew the new spot worked. My own nose was useless."
Fresh Brew 130ml
★★★★★
"Turns out the prettiest shelf in my home is also the deadest air in my home. Nobody tells you that."
Evening Calm · placement
★★★★★
"Two moves and one week. Never spent a rupee and the living room finally smells like something."
Day & Night duo
★★★★★
"I spent a week actually watching where we walk. The console by the shoe rack was the answer. Same bottle, whole flat."
Garden Bloom 50ml
★★★★★
"It sat on a corner table nobody goes near for two months. Moved it to the passage outside the bedrooms and it doubled."
Mountain Breeze · relocated
★★★★★
"The forty-eight hour rule stopped me sniffing at it every ten minutes and declaring it a failure. Judged it on Sunday instead."
Morning Freshness 50ml
★★★★★
"My mother-in-law noticed it the moment she walked in, which is how I knew the new spot worked. My own nose was useless."
Fresh Brew 130ml
★★★★★
"Turns out the prettiest shelf in my home is also the deadest air in my home. Nobody tells you that."
Evening Calm · placement
★★★★★
"Two moves and one week. Never spent a rupee and the living room finally smells like something."
Day & Night duo
✓ Six fibre reeds per bottle · alcohol-free, phthalate-free CCT base · handmade in Pune ✓ Moving the bottle costs nothing and is reversible in ten seconds ✓ 50ml lasts 6–8 weeks · 130ml lasts 14–18 weeks · free shipping above ₹499
Founder Diaries · Reed Diffusers · Placement
The method: spend a week noticing where people actually walk — front door to kitchen, bedrooms to bathroom, sofa to balcony. Those are your carrying lines. Put the bottle beside one, at waist to chest height.
How long to judge: forty-eight hours, and ask someone who has been out. Your own nose adapts to a constant within minutes and adapts hardest at home.
What it costs: nothing. It is the only strength lever that is free, instant and completely reversible, which is why it should always be tried before a new bottle.
Morning Freshness₹749 · 9.0/10For one week, change nothing and simply notice. Where do you go when you come in — drop keys on a console, or carry straight through to the kitchen? Which door does everybody use, and which one is decorative? What is the path from the bedrooms to the bathroom at seven in the morning? Almost every Indian home turns out to have three or four heavily walked lines and a lot of square footage nobody crosses at all. Sketch them on the back of an envelope; the picture is usually a surprise, because we furnish rooms for how they look from the doorway and then live in them along quite different lines. The bottle belongs where two lines cross — the mouth of a passage, the corner where the entry meets the living room.
Garden Bloom · entrywayfrom ₹799Shop → 
Fresh Brew · living roomsfrom ₹849Shop → 
Day & Night duo · two routes₹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.
Yes — and by more than almost anything else you could do, including buying a different bottle. But "move it" is useless advice on its own, because most people move a diffuser to another surface they like the look of and find nothing has changed. The move that works is a move onto a route: the line people in your home actually walk, several times an hour, without thinking about it. Draw that line first. Then put the glass on it.
Quick answers — read this first
Does moving it help? Very often, yes. In a home the air is stirred mainly by bodies moving through it, not by the fragrance itself — a reed diffuser releases and waits. On a walked route it is distributed; in a still corner it pools within a foot of the glass.The method: spend a week noticing where people actually walk — front door to kitchen, bedrooms to bathroom, sofa to balcony. Those are your carrying lines. Put the bottle beside one, at waist to chest height.
How long to judge: forty-eight hours, and ask someone who has been out. Your own nose adapts to a constant within minutes and adapts hardest at home.
What it costs: nothing. It is the only strength lever that is free, instant and completely reversible, which is why it should always be tried before a new bottle.
The short answer
Short answer: moving a reed diffuser improves scent throw when the new position sits in moving air and the old one did not. The reliable move is onto a traffic route — a console by the front door, a sideboard beside a doorway, a shelf along the passage to the bedrooms — at roughly waist to chest height, with clear space around the reeds. Moving it to a quieter, prettier corner will do the opposite.
The mechanism: a reed diffuser is a passive point source. It has no fan, no heat and no propulsion; it evaporates fragrance into the layer of air touching the reeds and depends on the room to take that air somewhere. Every person who walks past drags a slug of air with them. Ten passes an hour is a working room. One pass a day is a sealed jar.
Shop: if the route in your home is the front door, Garden Bloom at ₹799 is composed for entryways; for a living room on a busy route, Fresh Brew at ₹849 carries furthest. Two 50ml bottles on two different routes beat one bottle anywhere. Free shipping above ₹499.
In this guide
For the front-door route
Garden Bloom · from ₹799
For the busiest room
Fresh Brew 9.5 · from ₹849
Two routes, two bottles
Day & Night duo · ₹1,498
Straight answer
Will moving my reed diffuser actually improve its scent throw?
1. Yes, if you move it onto a route rather than onto a surface. The question is not "where does this look best" but "where do people pass". A console inside the front door, the sideboard beside the living-room doorway, the shelf in the passage outside the bedrooms — those three positions turn more quiet bottles into noticeable ones than any purchase does.
2. Spend a week drawing the map before you move anything. Notice, without changing your habits, where the household walks: door to kitchen, bedroom to bathroom, sofa to balcony. Every home has three or four such lines and a great deal of floor nobody crosses, and most diffusers are standing in the second kind of place.
3. Height matters as much as position. Waist to chest, roughly console height. On the floor the fragrance sits under the furniture; above eye level it drifts along the ceiling and you cannot reach the reeds to flip them.
4. A route is not a draught. Gentle incidental air is what you want. Directly under a split AC, in front of a fan or on a windowsill, the reeds are stripped, the room smells of little, and the bottle empties weeks early.
5. Give it forty-eight hours and borrow someone else's nose. You stop registering a constant within minutes, and you adapt hardest at home. Ask a guest, or judge it yourself on the way in from outside.
6. If two routes matter, use two bottles. Output per bottle is fixed, so the only honest way to raise the total in a home is another source — two 50ml on two routes beat one 130ml in the middle.
Composed and handmade in small batches in Pune, and a portion of every order supports girl-child education through Nanhi Kali.
2. Spend a week drawing the map before you move anything. Notice, without changing your habits, where the household walks: door to kitchen, bedroom to bathroom, sofa to balcony. Every home has three or four such lines and a great deal of floor nobody crosses, and most diffusers are standing in the second kind of place.
3. Height matters as much as position. Waist to chest, roughly console height. On the floor the fragrance sits under the furniture; above eye level it drifts along the ceiling and you cannot reach the reeds to flip them.
4. A route is not a draught. Gentle incidental air is what you want. Directly under a split AC, in front of a fan or on a windowsill, the reeds are stripped, the room smells of little, and the bottle empties weeks early.
5. Give it forty-eight hours and borrow someone else's nose. You stop registering a constant within minutes, and you adapt hardest at home. Ask a guest, or judge it yourself on the way in from outside.
6. If two routes matter, use two bottles. Output per bottle is fixed, so the only honest way to raise the total in a home is another source — two 50ml on two routes beat one 130ml in the middle.
Composed and handmade in small batches in Pune, and a portion of every order supports girl-child education through Nanhi Kali.
TL;DR: watch your home for a week, find the lines people walk, and put the bottle beside one at waist-to-chest height with clear space around the reeds. Not under the AC, not on a windowsill, not in a cabinet. Judge after forty-eight hours, and let a visitor be the witness.
Built for the busiest route in the house
SOSA Garden Bloom · British rose & night-blooming jasmine ₹799 / 50ml
The front door is the one place in an Indian home everybody passes and nobody lingers — exactly the air a reed diffuser wants, a stir every few minutes and no draught. Garden Bloom is composed for it: British rose over night-blooming jasmine, 8.9 on our internal scale at six reeds, hotel-like rather than insistent. Alcohol-free and phthalate-free on a heat-stable CCT base. 130ml ₹1,299 for 14–18 weeks.
Part one — who actually moves the air in your home
Ask most people what circulates air in a flat and they will say the fan, the air conditioner, or the open window. In practice, on an ordinary weekday, the largest and most useful mover of air in an occupied home is the household itself. A person walking through a doorway drags a body-sized parcel of air behind them and pushes another one ahead; a door swinging open exchanges the air in the gap; a chair pulled out, a curtain brushed past — each does more mixing at the scale of a room than a closed room's own convection ever will. This is why the same bottle can seem transformed by a two-metre move.
1
THE PRINCIPLE
People are the fan — count passes, not square feet
The useful unit for placing a reed diffuser is not room area but passes per hour — how many times, in a normal waking hour, somebody moves through the air within a metre or so of the bottle. A console just inside the front door might see fifteen or twenty passes in an evening hour. A corner étagère in the same room might see none for three days. Same room, same distance from the sofa, and one of them will scent the flat while the other will not.
The rule of thumb: if you cannot remember the last time you walked within arm's reach of the bottle, the bottle is in the wrong place.
2
THE METHOD
Draw the traffic map — one week, no changes
Morning Freshness₹749 · 9.0/10For one week, change nothing and simply notice. Where do you go when you come in — drop keys on a console, or carry straight through to the kitchen? Which door does everybody use, and which one is decorative? What is the path from the bedrooms to the bathroom at seven in the morning? Almost every Indian home turns out to have three or four heavily walked lines and a lot of square footage nobody crosses at all. Sketch them on the back of an envelope; the picture is usually a surprise, because we furnish rooms for how they look from the doorway and then live in them along quite different lines. The bottle belongs where two lines cross — the mouth of a passage, the corner where the entry meets the living room.
What you are looking for: the junctions. A crossing point does the work of two positions and costs the same as one.
3
THE LIMIT
A route, not a wind tunnel — and never a windowsill
There are two opposite ways for airflow to defeat a reed diffuser, and moving it can easily swap one for the other. Dead air means nothing is distributed. A hard directed draught means the reeds are scoured continuously: the exposed fibre dries, evaporation runs far above the rate the composition was dosed for, and the room still smells of very little because it is all being carried straight out of an open window or up into an AC return. You lose the fragrance and the weeks at the same time — the worst trade in the category, and its signature is a bottle that dropped visibly in a fortnight in a room that never smelled of anything. Keep a couple of metres between the glass and a split unit, a fan or an open window, and out of direct sun, which does the same damage through heat rather than wind.
Part two — the traffic map, zone by zone
Here is the map as I would draw it for a typical Indian two- or three-bedroom flat, ranked by how much carrying work the air in each zone does. The traffic figures are my own working impressions from customer correspondence and my own home rather than measurements — the ranking and the reasons are the point, and they hold whatever the exact numbers.
The traffic map
Where the air in a flat actually moves, best to worst
| Zone | Passes in a busy hour | What the air does there | Verdict for a bottle |
|---|---|---|---|
| Entrance console, just inside the door ★ | Very high | Exchanged wholesale every time the door swings; stirred by everyone arriving and leaving | The single best position in most homes |
| Mouth of the passage to the bedrooms | High | Two-way traffic morning and night; the passage acts as a duct into the sleeping rooms | Excellent, and it feeds three rooms at once |
| Sideboard beside the living-room doorway | High | Constant crossing between seating, dining and kitchen | Best position within a living room |
| Dining sideboard or serving counter | Medium | Busy in bursts — meals, tea, guests — and quiet in between | Good, particularly for an evening scent |
| Bedside table | Low but close | Very little air movement, but you are lying a foot away from it for eight hours | Works because of proximity, not throw |
| Centre of a coffee table | Low | People sit around it rather than walk through it; a low, sheltered pocket of still air | Looks right, performs poorly |
| Corner shelf, alcove or display cabinet | Almost none | Air stands still; fragrance pools within a foot of the glass and stays there | The commonest wrong answer |
| Windowsill or directly under the AC | Constant, but wrong | A hard one-way draught that strips the reeds and carries everything out of the room | Actively harmful — weak room and a short bottle |
| The honest caveat: this ranking assumes an occupied home on an ordinary day. A flat where everybody is out from nine to seven has almost no traffic at all during those hours, and no amount of repositioning changes that — what changes it is where you stand the bottle relative to the routes that do get walked, morning and evening. And if a position is genuinely impossible for domestic reasons — a toddler, a cat, a landlord's polished sideboard — the second-best spot you will actually live with beats the best spot you will not. | |||
Shop this guide
Three bottles for three kinds of route
Garden Bloom · entrywayfrom ₹799Shop → Fresh Brew · living roomsfrom ₹849Shop → Day & Night duo · two routes₹1,498Shop →
The SOSA principle
A reed diffuser does not fill a room. It hands fragrance to the air, and the air delivers it.
Which means the whole question of throw is a question about your floor plan and your habits, not about the bottle. Find the moving air and stand the glass in it.
Part three — running the move as a trial, not a guess
The reason people conclude that moving a diffuser "does nothing" is almost always the way they test it. They shift the bottle, lean over it, decide it smells the same, and shift it back within the hour. That test cannot work. Your nose stops reporting a constant within a few minutes and adapts hardest in your own home, and a relocated bottle needs time for the room's air to reach a new equilibrium anyway. So run it properly: move the bottle, flip all six reeds while your hands are on it, note the day, and leave it alone for forty-eight hours. Then judge it on the way in from outside. That first breath in the doorway, before adaptation catches up, is the only honest reading your own nose will give you.
Better still, borrow a nose. A guest, a delivery, a family member coming home from work — anyone who has been breathing other air for half an hour is a better instrument than you are. I have lost count of the messages that begin "I could not smell it at all, but everyone who visits comments on it"; that is not a paradox, it is the expected result of living with a constant. One tidy way to run it: move the bottle on a Friday, say nothing to anybody, and see whether the comment arrives on its own.
Two more practical notes on relocating. First, stand the bottle on a tray wherever it ends up — reed oil marks wood and stone, and a busy route is precisely where a sleeve or a bag will eventually catch the glass. Keep it out of reach of children and pets while you are at it. Second, if your map shows two busy lines a long way apart, do not try to solve it by shuttling one bottle back and forth; that simply leaves each end unscented half the time. Two 50ml bottles at ₹749–₹849 each, or a Day & Night duo at ₹1,498, will out-perform any single bottle in any position. If the two routes meet, choose scents that share a note — Mountain Breeze and Morning Freshness meet on green eucalyptus — or the junction will smell like a seam.
Furnish a room for how it looks from the doorway; place a diffuser for how the household walks through it.
— Sonal Sahani, SOSA
Part four — which bottle goes on which route
Once the map is drawn, the fragrance follows from what each route is for. An entrance is a first impression; a bedroom passage carries into rooms where people sleep; a kitchen doorway has to hold its own against food. Here is how I would allocate the range across a flat.
The route edit
Matching the bottle to the line people walk
| The route | Stand the bottle | Fragrance I would choose | Why this one | From |
|---|---|---|---|---|
| Front door to living room ★ | Entrance console, waist height, tray under it | Garden Bloom | Rounded and hotel-like — a greeting rather than a statement | ₹799 |
| Living room to dining | Sideboard beside the doorway, clear of the seating | Fresh Brew | The fullest presence in the range at 9.5, and it suits a room people eat in | ₹849 |
| Passage to the bedrooms | Console or shelf at the mouth of the passage | Mountain Breeze | Deep and dry at 9.4 with no sweetness carried into sleeping rooms | ₹849 |
| Bathroom and morning route | Shelf away from the shower spray, chest height | Morning Freshness | Cold and sharp — it reads clearly in a small humid room | ₹749 |
| Bedside, where there is no route at all | Bedside table, back from the pillow | Evening Calm | Deliberately the softest thing we make; proximity does the work here | ₹799 |
| Two busy routes at opposite ends | One bottle on each — do not shuttle a single one | Day & Night duo | More sources is the only way to raise the total output of a home | ₹1,498 |
| No usable route anywhere in the room | Nothing to move it to — this is the honest failure case | Sukoon ultrasonic | A machine makes its own airflow; reeds borrow the room's | ₹1,899 |
Honest notes for buyers: the strength figures quoted here are positions on SOSA's own internal scale at six fibre reeds, not an industry standard and not a concentration. Moving a bottle is free and reversible; it changes distribution, not output. If the room is genuinely large — past roughly 250–300 sq ft of connected open volume — no position will fix it and the answer is a second bottle or a Sukoon at ₹1,899, not a bigger bottle: 130ml lasts 14–18 weeks against 6–8 but at six reeds projects the same. Our oil refills are oil only, ₹2,399 for 300ml — you reuse your own vessel and reeds, and reeds are not sold separately, though we suggest refreshing them every few months. Reed oil never goes into a Sukoon, Boond or Megh, and the water-based Hotel Collection never goes into a reed bottle. Stand every bottle on a tray, keep it away from children and pets, and flip with gloves. Composed and handmade in small batches in Pune, and a portion of every order supports girl-child education through Nanhi Kali.
When the map shows two routes
SOSA Day & Night duo · Morning Freshness + Evening Calm ₹1,498 / 2 × 50ml
The commonest map in an Indian flat has a bright morning route — front door, kitchen, bathroom — and a quiet evening one down the passage to the bedrooms. A bottle for each: Malabar lemon, peppermint and Nilgiri eucalyptus for the first, Kashmir lavender and chamomile for the second. Two sources at opposite ends raise the total fragrance in a home in a way no single bottle can. 2 × 130ml ₹2,498.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
When we were testing the first reed compositions I kept a bottle on a beautiful carved shelf in the corner of my own living room in Pune, and for three weeks I quietly worried that the formula was underdosed. Then a plumber came to fix something in the passage, and I moved the bottle to the hall table to get it out of his way. By that evening the flat smelled like the thing I had actually composed. Nothing about the oil had changed. Two metres and a doorway had changed.
That is a humbling story for a perfumer to tell, and I tell it often, because it is the commonest thing standing between a customer and the fragrance they paid for. We can raise volatility and push a composition harder, and every one of those choices has a cost by week six. Moving the glass has no cost at all.
So before you write to us about strength, please give the traffic map a week. If it does not work, write anyway; I would far rather help you move a bottle or tell you honestly that your room needs a machine than sell you a second one that will stand in the same still corner. Everything 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
Does moving a reed diffuser really improve scent throw?
Frequently, yes, and it is free. Throw depends on the room carrying what the reeds release, and the air in a home is stirred mostly by people walking through it. Moving a bottle from a still corner onto a walked route — an entrance console, a sideboard beside a doorway, the mouth of a passage — is the highest-return change most people can make.
How long should I wait before judging the new position?
Forty-eight hours, and judge it in the first three seconds of walking in from outside rather than by leaning over the bottle. Your nose adapts to a constant within minutes and adapts hardest at home, so a guest or a family member returning from work is a more reliable witness than you are.
Is near a window or an AC vent a good place, since the air moves there?
No — that is the opposite failure. A directed draught strips the reeds and carries the fragrance straight out of the room, so you get a weak room and a bottle that empties weeks early. You want gentle incidental air from passing traffic, a couple of metres clear of a split AC, a fan or an open window, and out of direct sun.
What height should a reed diffuser sit at?
Roughly waist to chest — console, sideboard or open shelf height. Lower and the fragrance sits under the furniture; higher and it drifts along the ceiling, plus you cannot easily reach the reeds to flip them weekly. Whatever the surface, stand the bottle on a tray, because reed oil marks wood and stone.
If moving it does not help, what next?
Flip all six reeds and give it another two days; if it is still quiet, the issue is reed count, composition or room size rather than position. Adding reeds raises output at a cost in bottle life; a stronger composition such as Fresh Brew at 9.5 changes the ceiling. Past roughly 250–300 sq ft of connected space, a second bottle or a Sukoon at ₹1,899 is the honest answer.
Reed diffuser placement · 2027
Draw the map first. Then move the bottle — onto a route, not onto a prettier shelf
Garden Bloom for the entrance from ₹799, Fresh Brew at 9.5/10 for the busiest room from ₹849, and the Day & Night duo at ₹1,498 when your home has two routes rather than one. Six fibre reeds in every bottle, 50ml lasting 6–8 weeks and 130ml 14–18 weeks. Free shipping above ₹499, and a portion of every order supports girl-child education through Nanhi Kali.
Shop Garden Bloom → Day & Night duo ₹1,498
Continue the read
More on placement and strength
- The best placement for scent throw — every surface in a home, ranked with reasons.
- How to increase scent throw and stronger without wasting fragrance — distance, and the four wastes.
- How to make a reed diffuser smell stronger — the four currencies, ranked by cost.
- The complete guide to stronger performance 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 whether relocating a reed diffuser improves its scent throw and how to decide where to put it. Traffic figures and zone rankings are SOSA's own working guidance drawn from in-house testing and customer correspondence in Indian homes, not laboratory measurements; results vary with floor plan, ceiling height, occupancy, ventilation 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.