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For private well or borewells in Kozhikode, we recommend a laboratory analysis at least once a year. If you observe reddish iron deposits, salty taste, or scaling on your bathroom fittings, schedule a test immediately to protect your pipe network and health.

TDS stands for Total Dissolved Solids. It represents the total mineral concentration in water. According to WHO and BIS parameters, a TDS level below 300 mg/litre (PPM) is considered excellent. If your source water has TDS exceeding 500 PPM, deploying a Reverse Osmosis (RO) purifier is highly recommended.

The external spun pre-filter cartridge should be replaced every 3 to 6 months depending on water turbidity. Internal carbon and sediment cartridges typically last 9 to 12 months, while primary RO membranes should be checked and replaced every 1.5 to 2 years under regular domestic usage.

Yes. Pure Drops RO offers structured, affordable domestic and commercial AMC packages. Our plans cover quarterly cleaning visits, filter swaps, pump audits, and priority free assistance for call-outs, saving you from heavy emergency repair bills.

Reverse Osmosis (RO) uses a semi-permeable membrane to physical block dissolved chemicals, heavy metals, and salts, reducing TDS. Ultra-Violet (UV) uses high-intensity light to neutralize bacteria and viruses without changing water chemistry or TDS. Low TDS water only needs UV/UF, while high TDS water requires RO.