SOSA · The Founder Diaries · Car Fragrance
Your month, not an average month
This is a four-step measurement with a marker pen, and at the end of it you have a number that is true for your car. No page can hand you that in advance.
I could print a number here and it would be read as official. It would also be wrong for almost every reader, because it would be an average over driving patterns SOSA has never measured and I have never seen. A marker pen and a month gives you something better: a figure with your own commute inside it.
The answer in 30 seconds
How do I work out my own refill interval, since SOSA does not publish one?
- In one line. Mark the level, write the date, drive an ordinary month, mark it again. The drop between the two marks is your own figure.₹3,999
- The short answer. Mark the oil level on the glass with a marker pen on the day you fill it and write the date beside it. Drive your ordinary month. Mark the level again, with the second date. The drop between the two marks over the days between the two dates is your own figure, and it is the only one that was ever going to be true for your car. Safar is Rs 3,999.
- If you only do one thing: write the date beside the mark. A line on the glass with no date beside it measures nothing at all, and that is the step everybody skips.
- Why is there no published interval? Because SOSA publishes the refill price and no rate of use. An interval is a rate applied to your driving, and the rate half of it has never been printed.
- What do I need? A marker pen, a card and an ordinary month. Mark the oil level on the day you fill it, write the date, then mark the level again a month later.
- How accurate is it? As accurate as your month was ordinary. Run it twice and compare: two months that disagree tell you your driving varies, which is itself worth knowing.
The answer, in full
SOSA publishes the refill price and no rate of use, so the interval does not exist until you measure it. The measurement is cheap. On the day you fill the 20ml bottle, draw a line on the glass at the level with a marker pen and write that date on a card you keep in the glovebox. Note the speed you run and whether you use the one, two or three hour timer, because changing either changes the answer. Then drive your ordinary month and do nothing clever. At the end of it, draw a second line and write the second date. You now have a drop in level over a known number of days on your own commute, which is a figure no average could have handed you. A portion of every SOSA order supports girl-child education through Nanhi Kali.
The measurement, step by step
Four steps, one of which is doing nothing for a month. The only part people get wrong is the date, and without the date the marks on the glass mean nothing at all.
Mark and date: day one, before you drive anywhere
Fill the 20ml bottle, screw it back on, and draw a line on the glass at the oil level with a fine marker pen. Write the date next to it if there is room, and if there is not, write it on a card and keep the card in the glovebox. Note the speed setting and the timer length you intend to use, because the measurement is of that setting and not of the device in general.
No date, no measurement. That is the step that gets skipped.
Drive an ordinary month: change nothing, the setting included
A month of your real driving is the input. Do not run it harder because you are measuring, and do not save it for the weekend, because a measured month that is nothing like your usual month gives you a figure you will never use again. If your driving genuinely varies through the year, run the measurement twice and keep both answers rather than averaging them into one that fits neither.
Mark again and divide: two lines, two dates, one figure
Draw the second line at the new level and write the second date. What you have is a drop in millimetres over a known number of days, on one setting, in one car. Scale that drop against the height of the glass and you know how many such months a full twenty millilitres covers on that setting. That is your own interval, measured, and it belongs to you rather than to an average driver who does not exist.
A figure you measured beats a figure nobody published.
Does the scent you use change the answer?
It might, and nothing published says so either way. SOSA publishes the scent names and no consumption figure for any of them, and no ranking across the nine, so there is nothing to look up. If you change scent, start the measurement again and note which oil was in the bottle, and after two or three of these you will have your own small table.
A measurement needs a bottle that is not about to run dry. The nebuliser refill oil is ₹1,049 for 100 gm and ₹1,849 for 300 gm. See the nebuliser refill →
What the measurement gives you, and what it does not
| What the record says | |
|---|---|
| A figure for your own driving | This is the one it gives you, and it is the only honest one. Two marks and two dates on one setting, in your car. |
| A figure you can quote to somebody else | No. Their driving, their speed setting and their journeys are not yours, and SOSA publishes no average to fall back on. |
| A running cost per month | Not from this page. No rate is published, so no figure per month is given here, with or without a number, and this page will not do that sum for you. |
| The 10 and 30 hour battery figures | The ten and thirty hour figures describe the 2000 mAh battery per charge, not how long the oil lasts. |
Two measured months are worth more than ten read ones. The second month tells you how much of a fluke the first one was, and after that you can stop measuring and simply keep an eye on the mark.
“A marker pen, a date and an ordinary month. That is the whole method, and it is the only one that ends in a figure about your car.”
Measuring your own interval, in four steps
- Fill the 20ml bottle and mark the oil level on the glass.
- Write the date, the speed and the timer length you will use.
- Drive your ordinary month and change nothing at all.
- Mark the level again, write the date, and compare the two.
SOSA car fragrance
Measure it once and you never have to guess
A marker pen and an ordinary month give you the figure SOSA cannot publish. Keeping a refill in the cupboard means the measurement never becomes urgent.
10 ml sprays ₹459–₹559 · 12 ml hanging bottles ₹459–₹519 · 15 ml refills ₹399–₹449 · 50 ml spray ₹1,509 · three-spray discovery sets ₹709–₹909 · SOSA Safar ₹3,999, ₹4,499 hotel-inspired
View SOSA SafarSee the nebuliser refillQuestions, answered
Why does SOSA not publish a refill interval for Safar?
How long does the measurement take?
Do I need to measure again if I change the speed?
Can I shortcut it by weighing the bottle?
What do I do with the figure once I have it?
If you would rather ask a person
Ask Sonal
Safar is ₹3,999, or ₹4,499 for the hotel-inspired variant, and the nebuliser refill oil is ₹1,049 for 100 gm or ₹1,849 for 300 gm. A portion of every SOSA order supports girl-child education through Nanhi Kali.
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