Testing kits, purifiers and kitchen tools we would point our own customers to, each with a short note from the lab on what it can and cannot do. Home kits are good for routine checks; for a definite answer on safety, get a laboratory test.
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Quick checks you can do at home or on site between laboratory tests.
Quick check of total dissolved solids in tap, borewell, RO and packaged water. Handy for seeing when RO filters need changing.
Lab note: Measures dissolved salts only. It cannot detect bacteria, arsenic, lead or pesticides.
Check price on AmazonPocket TDS tester with a wide range, useful for comparing raw water, RO output and reject water.
Lab note: Calibrate as per the manual; readings drift if the probe is not rinsed.
Check price on AmazonOne device for pH and TDS: good for aquariums, hydroponics, RO output and alkaline-water checks.
Lab note: pH probes need regular calibration with buffer solution to stay accurate.
Check price on AmazonLow-cost dip-and-read pH check for drinking water, pool water and soil.
Lab note: Colour matching gives an approximate value, not a decimal reading.
Check price on AmazonFind out how hard your water is: useful before buying a softener and for boiler or geyser scaling problems.
Lab note: Drop-count titration kit; follow the drop counts carefully.
Check price on AmazonChecks residual chlorine in municipal supply, overhead tanks after cleaning, and chlorinated well water.
Lab note: Colour comparison; test immediately after collecting the water.
Check price on AmazonDaily pool-side check of chlorine and pH for housing-society and hotel pools.
Lab note: Daily checks do not replace periodic microbiological testing of pool water.
Check price on AmazonChoose by your water test result, not by advertisements. Read our purifier guide first.
For high-TDS borewell or tanker water, where dissolved salts need to come down.
Lab note: RO is not needed if your water TDS is already low; check TDS before buying.
Check price on AmazonRO purifier with a long filter-service interval, for households on hard or high-TDS water.
Lab note: Ask for the installer to set TDS output to a sensible level rather than the lowest possible.
Check price on AmazonFor municipal or low-TDS water where the main concern is germs, not dissolved salts. Wastes no water.
Lab note: UV does not remove dissolved salts, fluoride or arsenic.
Check price on AmazonBudget option for treated municipal water and homes with frequent power cuts.
Lab note: Not suitable for high-TDS or chemically contaminated water.
Check price on AmazonFull set of replacement cartridges for common domestic RO units, for doing the filter change yourself.
Lab note: Check the cartridge sizes match your purifier model before ordering.
Check price on AmazonCatches rust, sand and sediment at the kitchen or bathroom tap; shows at a glance how dirty the supply is.
Lab note: A sediment cloth does not make water safe to drink.
Check price on AmazonSimple tools for safer cooking, storage and screening.
Check that cooked chicken, meat and reheated food reach a safe core temperature, and that fridges hold below 5 °C.
Lab note: Clean the probe between raw and cooked foods.
Check price on AmazonBudget probe thermometer for home kitchens, cloud kitchens and tiffin services.
Lab note: Check accuracy now and then in ice water (should read about 0 °C).
Check price on AmazonScreening test at home for common milk adulterants.
Lab note: A screening kit is indicative. For a dispute or FSSAI purposes, get the milk tested in a laboratory.
Check price on AmazonHelps wash surface dirt and residues off fruits and vegetables before eating.
Lab note: No home device can confirm produce is pesticide-free. Only a residue test can.
Check price on AmazonFor students, in-house QC teams and careful sample collection.
Sterile containers for collecting small food or water samples, for students and in-house QC.
Lab note: For bacteria testing of drinking water, ask us for the right bottle and volume before sampling.
Check price on AmazonFor food handling, kitchen hygiene and clean sample collection.
Lab note: Change gloves between samples to avoid cross-contamination.
Check price on AmazonGraduated borosilicate beakers for school and college labs, small QC benches and test-kit work.
Lab note: Graduations are approximate; use a measuring cylinder for accurate volumes.
Check price on AmazonA home kit checks one thing. A laboratory test tells you whether it is safe. We collect samples across Kolkata and report every parameter against the IS or FSSAI limit.