Clean WaterGuide

A reference, not a storefront

What clean drinking water actually means, in India

Not which purifier to buy. What’s really in the water coming out of your tap, what counts as safe, and — once that part is clear — what actually treats it. No brand comparisons.

What this covers

1 of 10 published

Understanding your water

  • Water qualityComing soon

    TDS levels explained: what's safe, what's too low

    What TDS actually measures, the BIS and WHO limits, and why water that's too pure isn't a good thing either.

  • Water qualityComing soon

    Fluoride, arsenic, nitrate: what's actually in your water

    A region-by-region look at India's groundwater contaminants and what each one does to you.

Treating your water

  • Choosing a technology

    RO vs UV vs UF: which one your water actually needs

    The three technologies do different jobs. Here's how to tell which combination fits your water, based on TDS and source.

  • AlternativesComing soon

    Purifiers that work without electricity

    Gravity-fed UF, boiling, and what actually holds up during long power cuts.

  • MaintenanceComing soon

    When to change every filter in your purifier

    Sediment, carbon, RO membrane, UV lamp — each wears out on a different schedule. Here's the real one.

  • MaintenanceComing soon

    How to clean your purifier's tank and housing

    A proper cleaning routine for the parts filter changes don't cover.

  • TroubleshootingComing soon

    My purifier is doing something weird — troubleshooting by symptom

    Slow flow, red lights, bad taste, leaks, constant dripping. Find your symptom, find the cause.

  • BuyingComing soon

    How to actually choose a purifier, brand aside

    Capacity, storage vs tankless, mounting — the decisions that matter more than the logo on the box.

  • BuyingComing soon

    What a purifier really costs over 3 years

    AMC pricing, filter costs, and the water and electricity a purifier quietly uses.

Myths & misconceptions

  • MythsComing soon

    Does RO water strip out minerals you need?

    Separating the real science from the mineraliser add-on upsell.