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Regions we service

Click for detailed maps outlining our distribution areas in Queensland, New South Wales and Victoria.
Regions we service Map
See all regions we service
Need help choosing the right tank?

All our tanks are...


  • Strong, stylish and affordable.
  • Designed to widthstand harsh Australian weather.
  • Extra ribs for superior strength.
  • One-piece construction.
  • Manufactured from 100% food grade polyethylene.(No BPA).
  • Tapered walls for all tanks over 5000 litres.
  • 25-year warranty*

Why choose a Polyethylene tank?


Affordable

You'll find we are more cost-effective than alternative materials like galvanised steel, concrete or stainless steel.

Lightweight

Polyethylene is incredible lightweight making our tanks easy to transport and install.

No corrosion or rust

No rust, no corrosion, no lime and no rotting. Our tanks are extremely durable and there is no need to re-paint.

Strength & Longevity

With ribbed-profiles for added strength, our tanks are so strong they can sit on a bed of crusher dust!

Easy maintenance

Poly tanks require much less ongoing expense to maintain, and can be setup with a tank self cleaning system.

Variety of shapes & sizes

Polyethylene tanks can be offered in a variety of models, shapes, and sizes, and are great for both above ground and underground use.
Clark Tanks were polite, confident and anticipated my needs. This is the first time I dealt with Clark and in future I won't go anywhere else.
- Dean Simon | Batesford, Vic