Polymaster Rainwater Tanks

Polymaster Round Tank

For a no obligation free quote get in contact with our friendly team to find out more.

Free delivery options available

Capture clean drinking water for your home, livestock or garden

Proudly Australian made

Extended warranty offered on all round tanks

Call to speak to one of our friendly staff

Polymaster Rainwater Tanks are all proudly made in Australia with food grade polyethylene and are certified to AS/NZS4020 standards for drinking water. The tanks are made with exclusive UV+ double strength resin to give protection against the harsh Australian sun. These premium tanks are certified for the international standard quality management ISO9001.


Polymaster tanks are offered in a large range of sizes and styles including a range of Slimline tanks ideal for urban gardens or tight spaces, and Round tanks that come in a range of styles from smooth wall to corrugated. All Polymaster Tanks are constructed with a solid one-piece construction ensuring there is no centre supporting pole or joins in the roof. With sizes ranging from 200Litres to 50,000Litres, you can be sure to find the right tank for your home or farm.

Round Poly Tank Range

Features of Polymaster Tanks

  • 20 year warranty
  • Offered in corrugated and smooth wall on selected tanks
  • Delivery to a large range of South Australia and Victoria
  • One piece construction
  • Easy to install
  • Huge range of sizes from 200L to 50,000L – you can be sure you will find the right size for your project
  • Extra thick walls for maximum strength
  • Offered in a range of colours
  • Call or email to find out about the range of sizes for smooth wall tanks
Polymaster Round Tank
Range Height Diameter Inlet Height Overflow Outlet
200L Round 900mm 600mm 900mm 12.00 6.00
600L Round 950mm 1000mm 950mm 12.00 6.00
1000L Round 1500mm 1000mm 1500mm 12.00 6.00
1600L Round 1610mm 1250mm 1500mm 11.00/4.00 6.00
2270L Tall Round 2000mm 1300mm 1920mm 11.00/5.00 6.00
2270L Squat 1310mm 1700mm 1200mm 11.00/4.00 6.00
3300L Round 2100mm 1520mm 2000mm 11.00/4.00 6.00
4500L Tall Round 2200mm 1700mm 2100mm 11.00/4.00 6.00
4500L Squat 1580mm 2150mm 1380mm 11.00/3.00/7.00 6.00
5000L Round 2170mm 1950mm 1960mm 11.00/3.00/7.00 6.00
7100 Round 2300mm 2150mm 2120mm 11.00/3.00/7.00 6.00
9000L Round 2260mm 2500mm 2050mm 11.30/2.30/5.30/8.30 6.00
13,600L Round 2450mm 3100mm 2100mm 11.00/2.00/5.00/8.00 4.00
22,500L Round 2800mm 3560mm 2470mm 11.30/2.30/5.30/8.30 4.00
31,700L Round 3040mm 4100mm 2610mm 11.30/2.30/5.30/8.30 4.00
50000L Round 3440mm 4600mm 3290mm 2.00/4.00/6.00/8.00/10.00/12.00 4.00

Slimline Tank Range


  • Tanks are designed to suit urban spaces, a perfect accompaniment to any courtyard or home
  • 10 year warranty of SlendaStyle Slimline range
  • 7 year warranty on Polychoice Slimeline range
  • Range of Colorbond colours
  • Built strong to withstand the harsh Australian climate
  • Fittings include ball valve, leaf strainer and 90mm overflow
  • Tanks come in a large range of sizes up 5000L
  • Food grade polyethylene
  • Proudly Australian made
Range Length  Width Height Overflow Outlet
600L SlendaStyle  1220mm 580mm 1260mm Left/Right Left/Right
1050L SlendaStyle 1460mm 690mm 1520mm Left/Right Left/Right
2000L SlendaStyle 2290mm 600mm 2050mm Left/Right Left/Right
2000L Polychoice 2290mm 600mm 2050mm Left/Right Left/Right
3000L SlendaStyle 2570mm 790mm 2050mm Left/Right Left/Right
3000L Polychoice 2570mm 790mm 2050mm Left/Right Left/Right
5000L SlendaStyle 3290mm 1020mm 2010mm Left/ Right Left/Right

Rainwater  Calculator

Roof area (M^2):
Average rainfall area:
Rainfall capture per annum: Litres
These are indicative and only to be used as a guide.