Episode 149 · Consumer · 57 min

The purifier is not the product

DrinkPrime rents water purifiers to Indian households for ₹350–500 a month, but the machine is the cheap part — eight of its ten customers arrive from the 20-litre can rather than a rival brand, and the subscription exists so the technician who visits has nothing left to sell them. Only 10–12% of Indian homes own an electronic purifier, barely ahead of air conditioners, in a country where 70% of disease is waterborne.

M
Manas
Co-founder, DrinkPrime · with Vishal Krishna
The purifier is not the product — episode thumbnail
56:35
Said in this episode
▶ 2:13
10–12%
Indian homes with an electronic purifier
Against 65–70% owning a television, over 40% a refrigerator and 7–10% an air conditioner — penetration Manas calls abysmally low for a health basic.
▶ 7:38
70%
Share of Indian disease that is waterborne
Stated on air as the reason safe water is the floor, not the ceiling — unsafe water means diarrhoea and a day off work tomorrow.
▶ 9:41
8 in 10
Can samples failing ISI and BIS norms
From reports the founders encountered while running their earlier can-delivery app; the can market is roughly 90% unorganised, with the organised leader at 5–7% by volume.
▶ 14:18
₹350–500
Monthly subscription per household
Plans start at ₹350; ₹500 is the average a customer actually pays, and all maintenance is included so no money changes hands at the door.
▶ 29:00
50%
New customers arriving as referrals
Existing users bringing friends is why the company runs no IPL campaigns and no celebrity endorsements — service is the acquisition channel.
▶ 41:07
2 L per 1 L
RO reject for every litre purified
Bottling plants keep tankers attached to carry that reject away — and Manas says it returns to homes as tanker supply water.
The brief

The argument in sixty seconds

Manas's claim is that India's drinking-water problem is a service problem wearing a hardware disguise. Only 10–12% of Indian households own an electronic water purifier — against 65–70% with a television, 40%-plus with a fridge and 7–10% with an air conditioner — while 70% of the country's disease, he says, is waterborne. The middle third of the country lives on 20-litre cans from a market that is 90% unorganised, where reports the founders read while running an earlier can-delivery app found eight of ten samples failing ISI and BIS norms. So DrinkPrime's competitor was never the incumbent purifier brand: eight of its ten customers come from cans, while six of ten customers at a leading purifier brand are merely upgrading an old machine. That single fact dictated the rest — pay-as-you-go at ₹350 to ₹500 a month, no purchase, no annual maintenance contract, and a technician who collects nothing at your door precisely so that he stops selling you one. The unsubscribe button, Manas argues, is what converts a marketing company into a service company; half of all new customers now arrive as referrals, which is why there is no IPL spend and no celebrity face. The cost of that discipline shows up in the pace: three years of R&D before the subscription launched, an OEM base that told them it could not be done, membranes specified pin code by pin code as TDS runs 300–500 in Mumbai and 800–1,500 in Delhi, and three lakh households reached in effectively three cities rather than twenty.

Worth your time if you are

Anyone whose office still runs on 20-litre cans
Founders putting subscriptions on top of hardware
Operators whose product only works if service does
Apartment residents drinking whatever the tanker brought
Brand builders going after India's unorganised 90%
Episode map

Where the conversation travels

Every block is a chapter, coloured by what it's about. Click any of it to jump straight to that minute on YouTube.

01Cold open: what actually goes into water 0:00 Vishal frames the episode around the 80–90% of the human body that is water, and Manas sets the agenda — safe water versus healthy water, and what an individual can actually do about either. 02Ten percent of homes, versus the television 1:44 India's water problem is not the Thar desert but the tap: 10–12% of households own an electronic purifier against 65–70% with a TV, and the rest split between 20-litre cans, subsidised municipal water ATMs at ₹5–7 a can, and groundwater that has fallen in Bangalore from 300 feet to 1,200–1,500. 03Safe water and healthy water are different 6:39 Manas separates the two words that the category confuses — safe water is the baseline that stops you falling sick tomorrow, healthy water is the mineral layer on top — and puts 70% of Indian disease in the waterborne column. 04From a water-can app to DrinkPrime 7:53 The founders were engineers in Bangalore captive centres drinking from dirty cans, so they built a can-delivery app called Water Wala, discovered eight of ten can samples failed ISI and BIS norms, and spent three years on R&D before the subscription purifier went live around 2018–19. 05Eight in ten arrive from a can 10:53 The organised leader holds only 5–7% of the can market by volume while 90% is unorganised, and DrinkPrime's customers come from that pool rather than from purifier upgrades — a different segment that let the company grow on service instead of marketing spend. 06Marriage, a first kid, then a subscription 13:20 The market turned out older than the founders expected — a young person in Bangalore worries about beer, not water — so conversion clusters around life inflection points, leaving a base that is 60–70% married, 30–40% young families, paying ₹350 upward on household incomes from ₹40–50k a month to several lakh. 07Hardware is hard; the OEMs said no 15:09 Two software engineers had to learn boards, bills of materials and an IoT module that cycled through Bluetooth, Wi-Fi and an embedded SIM, while the local OEMs they approached said the idea could not be done — too many moving parts, and nobody would trust a customer with a device. 08Why no global brand sells purifiers here 20:00 Sony, LG and Samsung own the TV and fridge shelves but are absent or nascent in purifiers because the category is really a service business Indian brands cracked first — and beneath the top names sit hundreds of unbranded makers whose lookalikes, pushed by the technician network at 30% of the price, were 35–40% of units sold. 09A membrane per pin code 22:34 Because TDS averages roughly 300–500 in Mumbai, 500–800 in Bangalore and 800–1,500 in Delhi, and hard water needs an antiscalant stage, DrinkPrime specifies filters area by area — an inverted north-star metric that produced three lakh households in effectively three cities rather than a land grab across twenty. 10Subscription as an accountability device 26:26 If a customer can always buy a purifier outright, the only reason to rent is the promise of service — and because bad service ends in an unsubscribe, the model turns a marketing-oriented company into a customer-service-oriented one with 98 of every 100 rupees visible before the month starts. 11The technician with nothing to sell 29:30 A purifier technician who arrives free or discounted monetises the visit by pushing an AMC or a new machine, so DrinkPrime folds service into the monthly fee, removes money from the doorstep entirely, and treats reputation as the thing that has to compound over a lifetime rather than a five-year run. 12Delivery riders become water technicians 33:10 Quick commerce created lakhs of young riders earning ₹20–25k who already know the city and own a two-wheeler; DrinkPrime recruits from that pool into a classroom training centre near HSR Layout, takes them to ₹40–50k or more, and keeps them full-time because this is not gig work. 13B2B's hidden costs; twelve lockdown passes 36:25 For offices the can carries invisible costs — the rent on the square footage it occupies and the assistant whose job is to haul it between floors — which opened a B2B line reaching co-working, cloud kitchens and ISB, while the COVID story is twelve movement passes, ten handed to technicians, and two to three months of serving existing customers only. 14Tanker water and the RO reject loop 39:35 Fewer than half the apartments built in the last five years have a municipal connection, so cities run on tankers whose sources include polluted lakes and — because RO throws away about two litres for every litre it purifies — the reject water of the very bottling plants that supply the cans. 15From boiling to remineralising 42:36 Indian homes travelled from boiling to steel candles to gravity filters to cans to electronic purifiers because input water kept degrading, and now RO strips minerals back out — hence copper, alkaline and mineral-plus variants, and Manas's caveat that water is a poor place to source your minerals and that healthy is personal. 16Redundant on purpose 48:40 Manas refuses to lead his homepage with sustainability jargon in favour of safe water at ₹500, then closes on stakeholder management as showing up plus transparency, weekly town halls and monthly investor updates, and the advice to make yourself redundant as a founder rather than indispensable.
Takeaways

Ideas to carry out of this hour

01

The purifier gap is wider than the AC gap

Only 10–12% of Indian households own an electronic water purifier. A television sits in 65–70% of homes, a refrigerator in over 40%, and an air conditioner — the category everyone calls a luxury — in 7–10%. So the device that guards against what Manas says is 70% of India's disease burden is barely more common than the one that guards against heat. He calls the number abysmal rather than a growth opportunity, which is the whole framing: this is not an underpenetrated market, it is an unserved one.

02

The competitor was never the incumbent purifier brand

Six of ten customers walking into a leading purifier brand are upgrading a purifier they already own. Eight of ten customers walking into DrinkPrime are coming off 20-litre cans — a market that is 90% unorganised, where the organised leader holds 5–7% by volume, and where the reports the founders read showed eight of ten samples failing ISI and BIS norms. Serving a segment nobody was serving is why the company could grow with relatively little marketing, and why every product decision points at renters and movers rather than homeowners.

03

The unsubscribe button is the accountability mechanism

Manas's argument for subscription is not primarily financial. Any product that needs heavy service is best sold as a subscription because failure has an immediate consumer remedy: the customer simply stops paying. That single exit turns the organisation from a marketing-oriented company into a customer-service-oriented one — and the flip side is that ₹98 of every ₹100 is knowable before the month begins, provided the technicians keep showing up.

04

Charge nothing at the door and the selling stops

The Indian purifier aftermarket runs on the technician who arrives free or discounted and recoups the visit by pushing an AMC package or a replacement machine — less service, more sales, maximum wallet share that day. DrinkPrime bundles all maintenance into the ₹350–500 monthly fee and removes money from the doorstep completely. It is a small design decision with a large consequence: the technician's only remaining job is to make the water work.

05

One membrane per pin code, not one per country

TDS averages roughly 300–500 in Mumbai, 500–800 in Bangalore and 800–1,500 in Delhi, so the same product needs a high-rejection RO membrane in one city and a low-rejection one in another — and hard water needs an antiscalant stage on top, the kind that otherwise leaves a white ring inside a bucket. DrinkPrime customises area by area, pin code by pin code. That inverts the usual consumer north star of opening as many cities as fast as possible: three lakh households in effectively three cities beats a thin presence in twenty.

06

The hard part of hardware was the OEMs' imagination

Two software engineers spent about three years on R&D just to learn what goes inside a purifier, who makes each component, and which filter quality suits which input water — and separately cycled the IoT module through Bluetooth, Wi-Fi and an embedded SIM. The manufacturers were the bigger obstacle: every OEM they approached said it could not be done, too many moving parts, and nobody would trust a customer with a device. Their offer was 'you want RO, I'll assemble one and give it to you by evening.' One larger OEM eventually took the bet and produced the first thousand units.

07

Quick commerce built the technician pipeline

The rider economy created lakhs of young people in Indian cities earning ₹20–25k a month who already navigate the streets all day and own a two-wheeler. DrinkPrime recruits from that pool into an intensive classroom programme — its own training centre near HSR Layout, two or three trainers per city — covering electronics, purification and customer service, and moves them to ₹40–50k or more. Crucially it is full-time, not gig: you cannot hand a technician a packet the way you hand over a food delivery, so the labour arbitrage only works if the training is real.

08

Your tanker may be carrying RO reject water

Fewer than half the apartments built in the last five years have a municipal water connection, and vertical complexes cannot lean on groundwater, so cities and tech parks run on tankers of unknown provenance. Manas names two sources: polluted lakes, and the bottling plants that make the 20-litre cans — since RO discards roughly two litres for every litre it purifies, those plants keep tankers attached to carry the reject away. Some of it comes back through the tap you shower under.

The numbers, drawn

What the episode measures

Every figure below was said on air — timestamps included, caveats kept.

Conversation share

portion of the hour spent on each theme
Consumer India · 21%D2C & commerce · 15%Manufacturing · 13%Product strategy · 12%Sales, GTM & growth · 11%Hiring & talent · 9%
Consumer India21%
D2C & commerce15%
Manufacturing13%
Product strategy12%
Sales, GTM & growth11%
Hiring & talent9%
Computed from the chapter map of this episode.

The purifier ranks below the fridge — and near the AC

% of Indian households
Television67Refrigerator40Water purifier11Air conditioner8
Penetration as stated in conversation — TV 65–70%, refrigerator '40% plus', electronic water purifier 10–12%, air conditioner 7–10%; midpoints shown, and the fridge figure is a floor.▶ 2:28

Why the membrane changes with the city

TDS, parts per million
Mumbai400Bangalore650Delhi1,150
City averages as stated on air — Mumbai roughly 300–500, Bangalore 500–800, Delhi 800–1,500; midpoints shown. Manas stresses the figure varies a lot area to area, which is why filters are specified pin code by pin code.▶ 23:04
Worth keeping

Lines that stay

If I fail to deliver exceptional service up to the customer's standards at any point in time, the customer can simply unsubscribe. So the entire company is not a marketing-oriented company but a customer-service-oriented company.

— Manas ▶ 27:11

Any water purifier technician — if he is coming to you for free or at a discounted cost, then he will try to sell you something. He will do less of service and more of sales.

— Manas ▶ 32:07

You open your tap and what you get is RO reject water — filled into a tanker and sent back to your home.

— Manas ▶ 41:35

If you're an employee, make yourself indispensable. If you are a founder, make yourself redundant.

— Manas, quoting advice from early in his career ▶ 50:57

My company's culture changes depending on what book my founder reads. So please don't be that founder — have a thought process of your own.

— Manas, quoting a tweet he read ▶ 54:51
Clips that travel

Short on time? Start here

Anyone whose office still runs on 20-litre cans

How India actually drinks its water

The four-tier map of Indian drinking water — purifier owners, can buyers, subsidised water ATMs, hand pumps — and the groundwater that fell from 300 feet to 1,500.

1:44 → 6:39 · 5 min ▶ Watch clip
Consumer founders picking which segment to serve

Eight in ten come off a water can

The market-structure insight the whole company rests on: DrinkPrime's customers are can users, not purifier upgraders, and they convert at life inflection points.

10:53 → 15:05 · 4 min ▶ Watch clip
Software founders about to ship physical product

Every OEM said it couldn't be done

Three years learning boards, filters and bills of materials, an IoT module that went from Bluetooth to Wi-Fi to a SIM, and manufacturers who offered to assemble an RO unit by evening instead.

15:09 → 20:00 · 5 min ▶ Watch clip
Operators whose product only works if service does

Subscription, and the technician who sells nothing

The strongest stretch of argument in the episode: why heavy-service categories belong on subscription, and how removing money from the doorstep fixes the technician's incentives.

26:26 → 33:10 · 7 min ▶ Watch clip
Apartment residents drinking whatever the tanker brought

Where your tanker water actually comes from

Fewer than half of new apartments have a municipal connection, and the RO reject loop that sends bottling-plant waste back through your tap.

39:35 → 42:36 · 3 min ▶ Watch clip
Glossary

The jargon, unpacked

RO (reverse osmosis)
Forcing water through a semi-permeable membrane to strip out dissolved solids — effective enough that it removes good minerals with the bad, and wasteful enough that roughly two litres are rejected for every litre purified.
TDS
Total dissolved solids, measured in parts per million: everything dissolved in the water, beneficial or not. Cited on air as roughly 300–500 in Mumbai, 500–800 in Bangalore and 800–1,500 in Delhi.
Membrane rejection
How much of the dissolved load an RO membrane removes. Delhi's harder input water needs a high-rejection membrane; Mumbai's softer water needs a lower one — the same product, tuned by geography.
Antiscalant filter
An extra stage for hard water — the kind that leaves a white layer inside a bucket left standing for a few weeks — added where hardness, not TDS, is the problem.
AMC
Annual maintenance contract: the yearly service package sold alongside a purchased purifier, and the thing Manas says a visiting technician is really there to push — the charge a subscription is meant to absorb into the monthly fee.
Remineralisation
Adding minerals back after RO has stripped them — copper, zinc and magnesium, or raising alkalinity — which is what separates DrinkPrime's copper, alkaline and mineral-plus variants.
ISI / BIS norms
Bureau of Indian Standards marks that packaged drinking water is meant to meet; in the reports the founders cite, eight of ten samples from 20-litre cans did not.
Water ATM
A subsidised municipal kiosk that draws groundwater, treats it at scale and dispenses a 20-litre can for ₹5–7 — effective where the maintenance cycle holds, useless where it doesn't.
Connections

If this resonated, go here next

Full transcript

The whole conversation, searchable

222 segments

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