Sintex & Plastic Tank Cleaning in Friends Colony

Sintex & plastic tanks in Friends Colony

Friends Colony East and West are among South Delhi’s most spacious enclaves, with very large independent kothis on big plots near Jamia and New Friends Colony. Water usually comes off large individual overhead tanks and older underground sumps, but nearly every house also keeps smaller Sintex or plastic tanks for lofts, terraces and staff quarters. Because these homes have generous storage for small households, the plastic tanks often sit still for long periods — and still, sunlit water in plastic is where algae flourish.

Supply here mixes DJB with private borewells, and that borewell water leaves a heavy mineral scale on plastic over time. If you want the large overhead tanks and old underground sump cleaned as well, our broader water tank cleaning in Friends Colony page covers those. This page is specifically about Sintex and plastic tanks — the smaller overhead tanks that grow algae quietly on these big, calm rooftops.

Why plastic tanks in Friends Colony grow algae while barely used

In a large Friends Colony kothi a plastic loft tank may serve only a handful of people, so its water sits for days instead of being drawn down. Warmed by the sun through the plastic walls and lit by the same daylight, that still water is close to ideal for algae, which need only light and time. Concrete tanks stay dark inside and slow a bloom, but plastic and Sintex let the light straight through, so even a lightly used tank turns green.

Neglect is the second reason. These loft and terrace tanks are tucked away and rarely opened, so years of hard-water scale and a soft sludge of settled dust accumulate undisturbed. The private borewells common here add extra mineral, leaving a thick chalky crust on the plastic floor. By the time a lid finally comes off, there is usually a heavy biofilm and a stale smell that only a full drain, scrub and disinfection can properly clear.

How we do it — our 8-step process

• 1. Inspect & drain We check the tank and lid, then drain it down, saving what clean water we can.
• 2. Sediment removal Settled grit and the slimy layer at the bottom are scooped and wet-vacuumed out.
• 3. Soft jet wash Walls, floor and ceiling are jet-washed at a pressure safe for plastic — no gouging or cracking.
• 4. Manual scrub The algae film and inlet/outlet mouths are hand-scrubbed with soft pads, not wire brushes.
• 5. Anti-bacterial treatment A food-grade disinfectant wash kills remaining bacteria and algae spores.
• 6. Vacuum & rinse Loosened dirt is vacuumed out and the tank rinsed clean and ready to refill.
• 7. Lid & overflow check We reseat the lid and check the overflow so light and dust can’t feed new algae.
• 8. Photos & certificate Before/after photos and a dated service record sent to you on WhatsApp.

Sintex & Plastic Tank Cleaning prices in Friends Colony

• Up to 500 litres (Sintex loft tank) — ₹699
• 501–1,000 litres (standard 1000L Sintex) — ₹899
• 1,001–2,000 litres — ₹1,299–1,499
• Multiple plastic tanks / society — bulk discount on 4+ tanks

No travel charge anywhere in Friends Colony. The final price is confirmed on the call before we come — it depends only on tank size and access.

Areas we cover in Friends Colony

We reach every pocket of Friends Colony — and there’s no travel charge to any of them:

Common questions from Friends Colony customers

“Do you clean Sintex tanks in both Friends Colony East and West?” Yes. We cover Friends Colony East and West, plus the houses near Mathura Road and towards New Friends Colony and Maharani Bagh. Many of the plastic loft tanks in these kothis have not been opened for years, so we allow extra time for the heavier build-up we generally find inside.

“What does it cost to clean a 500 to 1000 litre Sintex tank here?” A plastic loft tank up to 500 litres starts at ₹699, and a 1000 litre Sintex tank is ₹899. The rate covers draining, clearing the sludge, a plastic-safe wash, hand-scrubbing and a food-grade sanitiser, with photos afterwards. A large kothi often has several plastic tanks, and we give a bulk discount when four or more are done together.

“Can you clean my plastic tank the same day I call?” Usually we can offer same-day or next-morning for Friends Colony. A single plastic tank takes about ninety minutes, though a long-neglected one with heavy algae may run over. We will be honest about timing on the call, and your supply returns to normal the same day once the tank refills.

“Why does my Sintex tank in Friends Colony go green even when barely used?” Even lightly used plastic tanks here turn green because the walls let sunlight in, and light on still, warm water is all algae need. In these big kothis a loft tank often serves few people, so the water sits and the film has time to spread. Rinsing never removes it; the walls must be scrubbed and disinfected.

“Is pressure washing safe for a plastic tank, and how do you remove algae without scratching it?” Very safe. We wash plastic and Sintex tanks at a pressure set for the material, so there is no cracking or gouging even on an older, sun-brittled tank. Algae is lifted with soft pads, never wire brushes, which scratch the plastic and speed up biofilm return. A food-grade disinfectant then kills the last spores before we refill.

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Beyond water tank cleaning, KaamGenie is rolling out a full lineup of home services across Delhi NCR — see our complete list of 12 home services we offer or will be launching through 2026. New to tank cleaning? Read our guide on how to pick the right water tank cleaning service in Delhi — what to look for, what to avoid, and the questions that separate trustworthy crews from quick-job operators.

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