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High-Quality Under Deck Water Tanks

Take the first step towards a more sustainable future with Poly Tanks' range of high-quality under-deck water tanks.

Durable Under Deck Water Tanks for Safe Drinking Water

At Poly Tanks Australia, we understand the importance of having a reliable and efficient way to store rainwater. Our under-deck water tanks are designed to provide you with a sustainable and cost-effective solution for your water needs. With our high-quality water tanks, you can rest assured that you’ll have a constant supply of clean water throughout the year.

Our water tanks are all carefully crafted from high-grade polyethylene. All of our tanks also comply with AS 2070 (Plastics materials for food contact use) and AS/NZS 4020 (Products for use in contact with drinking water). So you can have peace of mind that your water is stored safely for consumption.

Our Under Deck Water Tank

Our under-deck water tanks are designed to provide you with a reliable and efficient way to store rainwater without taking up valuable landscape in your yard:

2000 Under Deck Poly Tank

This under-deck water tank is a compact and efficient solution for storing rainwater. Designed to be installed under a deck or patio, this tank provides a discreet and space-saving way to collect and store rainwater for use in your home or garden. With a capacity of 2000L, this tank is perfect for small to medium-sized properties that require a reliable and sustainable water supply.

Why Choose Poly Tanks Australia for Your Water Storage Needs?

At Poly Tanks, we are committed to providing our customers with the best products and services possible. Our tanks are meticulously crafted with care to ensure they are safe, durable and sustainable.

Choose Poly Tanks for:

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High-Quality Materials

Our tanks are crafted from premium polyethylene material, ensuring durability and resistance to the harsh Australian elements.


Diverse Range

From compact urban tanks to expansive rural solutions, we offer a diverse range to suit various properties and applications.

Environmentally Friendly

Cost-Effective & Environmentally-Friendly

Harvesting rainwater contributes to water conservation while also saving you money on expensive council water bills.

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Expert Guidance

Our team is dedicated to assisting you in finding the perfect rainwater tank solution, providing expert guidance and support.

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Fast Delivery

Once your order is completed we will safely and quickly transport it to your property no matter where you are in QLD, VIC, NSW, or SA.

Get Your Perfect Water Storage Solution!

Connect with us today to discuss your specific requirements and take the first step towards a more sustainable water future. Our team of experts is dedicated to helping you find the perfect water tank solution for your needs.

Contact our team to learn more