Rainwater Round Tank 50,000ltr

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The 50,000L ‘Mega Tank’ will provide large capacity for farm storage or to increase your mains water supply for a wide range of household uses, from drinking water to garden irrigation to water for the laundry and bathroom.

Polymaster will not be held liable for incorrect colour impressions, request your Polymaster colour sample to view colours. Polymaster tank colours represented match COLOURBOND steel colours.

*COLOURBOND® and colour names are registered trademarks of Blue Scope Steel Ltd™.

What makes Polymaster tanks the toughest?

  • Self-supporting roof design means no support poles are necessary
  • Extra thick corrugated walls for maximum strength
  • Double strength UV+ resin ensures ultimate protection against Australia’s harsh sun
  • One-piece construction with no joins, seams or part-lines
  • Certification to AS/NZ4766 tank standard
  • 22 COLORBOND® colours
  • 20 Year Warranty for peace of mind! *conditions apply

Australian Made

Quick Delivery

Up To A 20 Year Warranty


Leaf Screen

500mm Mosquito proof leaf screen – 2 position available

Lifting Lugs

Moulded lugs for easy lifting and tie-down points


Standard 90mm overflow fittings up to 150mm available

Ball Valve

40mm Solid brass threaded outlet placed through wall with an approved ball valve standard
-Larger fittings available [mechanical or welded in]

Wall Thickness

Extra thick walls for maximum strength

Self Supporting Roof

The self supporting roof design eliminated the need for a centre support pole


Capacity: 50,000 ltr (11000 gallons)
Diameter: 4600 mm
Inlet Height: 3290 mm
Overall Height: 3440 mm

To Order Your Accessories, Call Our Sales Team On 1800 062 064