Rainwater Harvesting Tank Supplier / Manufacturer Malaysia

Rainwater harvesting is ideal for both rural areas and cities. The tanks storing the harvested water can be used as a primary water source or as a backup source to municipal water and wells. Rainwater harvesting systems allow for maximum flexibility depending on your unique rainwater collection needs. You can use rainwater for irrigation use and even indoor use for both households and commercial buildings. It promotes self-sufficiency in water consumption.

Rainwater harvesting tanks typically have a fitting lid or filter to keep the water protected from dust, debris and other materials in the environment. Plastic tanks are inexpensive and easy to maintain, providing the utmost value for money for both small scale and large-scale rainwater harvesting.

Storage capacity

What’s the ideal tank size? Well, this primarily depends on the amount of water you desire to harvest. Refined Polymers stocks rainwater harvesting tanks in various of sizes to suit varying storage needs. We highly recommend buying the right size of rainwater harvesting tanks to suit your needs.

For places that hardly experience any rains, it’s prudent to have adequate tank capacity to store as much rainwater as possible during the short rainy season. Refined Polymers Sdn Bhd stocks a range of small to medium rainwater harvesting tanks to take full advantage of limited rain supply.

Conserving water

Rainwater collection has been identified as one of the most effective solutions to lessen the environmental footprint. It is not only socially acceptable but also environmentally responsible.

Rainwater is more beneficial for landscape plants and gardens. This is especially because the water is not chlorinated. Refined Polymers Sdn Bhd manufactures rainwater harvesting tanks with non-transparent material that blocks sunlight. This eliminates any possible algae that may pollute the harvested water.


A rainwater harvesting tank can help eliminate drainage problems while at the same time providing you with free water. Also, the tanks provide a great backup source of water for emergencies.

Plastic tanks don’t take up much space so they can fit into any situation. It’s important to make informed decisions when choosing the sizes of your tanks to avoid overflows and wastage of water collecting opportunities.

You can easily move and install a rainwater harvesting tank when setting up a rain harvesting system. You just place the tank under a gutter or a location where water falls of the roof. Subsequently, you wait for the water to gradually fill.

Regular maintenance and cleaning

How regular you should clean your rainwater harvesting tank system primarily depends on your unique set-up, the intended applications, climate, etc. As a general rule, you must check the gutters, pipes and fittings after several weeks to clear debris and remove any blockage. In case you decide to flush the tanks and entire rainwater harvesting system, it’s prudent to do so during the dry season.

Rainwater harvesting systems are not complicated, hence straightforward maintenance. Polyethylene(plastic) tanks are the most popular rainwater harvesting tanks. The material is lightweight, durable, inexpensive and easy to transport.

Why choose POLYTANK® rainwater harvesting tanks?

RPSB’s product range complies with FDA Food Grade, H.A.C.C.P. & British Standards BS:3412 & BS:4213. Customers can use the tanks to harvest rainwater intended for human consumption.

We take pride in manufacturing and supplying the strongest and longest-lasting rainwater harvesting tank with unmatched tensile and elongation strength. Also, a remarkable life expectancy of over 20 years for outdoor and lifetime for indoor. Standardised discounts are available for bulk or container orders!

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