Clean WaterGuide

All guides

Water touches more than what comes out of your tap. These guides cover what “clean” actually means, what’s really in Indian water supplies, and — once that’s clear — how to treat it. Published one at a time, each to the same standard, brand-agnostic throughout.

Understanding your water

  1. 01
    Water quality

    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.

  2. 02
    Water quality

    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.

  3. 03
    Testing

    How to actually test your water

    TDS meters, lab tests, and strip kits — what each one tells you, what it can't, and when you need which.

  4. 04
    Sources

    Municipal, borewell, or tanker: why your source matters

    The same city can have three completely different water problems depending on where your water actually comes from.

Treating your water

  1. 05
    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.

  2. 06
    AlternativesComing soon

    Purifiers that work without electricity

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

  3. 07
    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.

  4. 08
    MaintenanceComing soon

    How to clean your purifier's tank and housing

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

  5. 09
    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.

  6. 10
    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.

  7. 11
    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

  1. 12
    MythsComing soon

    Does RO water strip out minerals you need?

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

  2. 13
    MythsComing soon

    Does boiling remove everything harmful from water?

    It handles what's alive in your water. It does nothing to what's dissolved in it — and that gap is where most confidence goes wrong.

  3. 14
    MythsComing soon

    Is bottled water actually safer than purified tap water?

    What the BIS standard for packaged water does and doesn't guarantee, and when bottled is genuinely the better call.