Slimline Water Tanks

Our Range of Slimline Water Tanks


While these tanks are slimmer than regular tanks, they do not compromise on water storage capacity or quality and offer a perfect solution where access or space is tight.

Our Slimline range tanks range from 1,002 Litres to 5,336 Litre capacities and are available in over 20 colour combinations.

We offer fast delivery throughout NSW, ACT, VIC & QLD and our 10 year 'no split' fix or replace warranty means that you can purchase with confidence.

Still not sure what you need? Simply contact us to discuss your requirements and arrange a quote.


Why Buy From Poly Water Tanks


  • Built to cure properly, no rush job production for a premium-grade finish
  • Made from the best materials, UV-stabilised virgin food-grade polyethylene with no taste or smell (drinking water–compatible)
  • Certified to Australian Standards (AS2070)
  • Small footprint design with no waste, giving the biggest storage capacity for its real estate

Slimline Rainwater Tank Features

Slimline water tank overview
  1. Stainless steel screws and strainer mesh
  2. Dome tops with a clean and stylish aesthetic and self-supporting structure; no poles needed inside the tank
  3. Manufactured with a graduated thickness in walls, utilising hoop strength for evenly distributed pressure from the top to bottom
  4. Unique smooth wall design with no vertical parting lines; no weak wall pressure points
  5. Unique modular system with our exclusive connection process allows for our hoop strength standard

Slimline Tank Range

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4175 Litre Short Slim Water TankFree Delivery most areas nsw…
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4175 Litre Tall Slim Water TankFree Delivery most areas nsw…
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Free Delivery most areas NSWWidth 700mm Length 2800mm Height…
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Free delivery most areas NSWWidth 820mm Length 3280mm Height 1700mm
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Free Delivery most areas NSWWidth 660mm Length 2600mm Height…
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2505 Litre Short Slim Water TankFree Delivery most areas…
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2505 Litre Tall Slim Water TankFree Delivery most areas NSWWidth 700mm…
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Free delivery most areas NSWWidth 700mm Length 1400mm Height…
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Free Delivery most areas NSWWidth 820mm Length 1640mm Height 1700mm
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Free Delivery Most Areas Of NSWWidth 660mm Length 1300mm…
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2000 Litre TankFree Delivery most areas NSWWidth 825mm Length…
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3000 Litre TankFree Delivery most areas NSWWidth 825mm Length…
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4000 Litre TankFree Delivery most areas NSWWidth 825mm Length…
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5000 litre eco slimline water tank
5000 Litre TankFree Delivery most areas NSWWidth 825mm Length…
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5000 Litre Budget Slimline Water Tank
5000 Litre TankFree Delivery most areas NSWWidth 1260mm Length…
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Free Delivery Most Areas Of NSWWidth 650mm Length 1300mm…
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Free Delivery Most Areas Of NSWWidth 700mm Length 1400mm…
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Free Delivery Most Areas Of NSWWidth 650mm Length 1950mm…
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Free Delivery Most Areas Of NSWWidth 650mm Length 2600mm…
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Free Delivery Most Areas Of NSWWidth 700mm Length 2800mm…
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1334 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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2001 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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2668 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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3335 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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2668 Litre TankFree Delivery most areas NSWWidth 1030mm Length…
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4002 Litre TankFree Delivery most areas NSWWidth 1030mm Length…
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5336 Litre TankFree Delivery most areas NSWWidth 1030mm Length…
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1002 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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1503 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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2004 Litre TankFree Delivery most areas NSWWidth 700mm Length…
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