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Ecosac Rainwater Bladder Tank

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  • Same day shipping for stocked items
  • Money back guarantee
  • Outstanding service & expert technical advice
  • AU owned & operated for 50 years

Quick Overview

When it rains it stores! The latest generation of hidden rain water storage that hides away under floors and under decks decks. eco sac® is the only bladder tank solution supplied in a steel frame.

Features and Benefits

  • Huge range of standard sizes - 82 are available from G Store using the length and width selector below, there's one to fit your available space!
  • The pipe work is fixed in place by the unique eco sac® steel mounting plate attached to the frame with NO moving parts
  • Stores more - the eco sac® holds more than 20% more water per cubic metre of storage than any reinforced bladder tank
  • The bladder tank sits in a strong galvanised or stainless steel frame supported by industrial strength geo tech fabric
    • Customised single piece harness contains the bladder within the frame
    • The frame ensures that the bladder does not roll from side to side in heavy rainfalls 
    • Less stress is placed on the bladder
    • It stays exactly where it was installed
  • Hides away under decks or floors making it much more discrete than traditional rainwater tanks
  • The bladder tanks are made from a superior PVC material tested and accredited to the Australian drinking water standard (AS/NZS 4020)
  • Rainwater captured can safely fill swimming pools and fish ponds
  • eco sac® is Australian owned and made and comes with a full 10 year warranty on material and workmanship
Ecosac Rainwater Bladder Tank


Under a house or deck, the eco sac® can harvest all of the rain that falls on the roof by diverting the downpipes to a common in-flow pipe which goes to bladder

  • Rainwater can be collected much faster than in a traditional rainwater tank
  • Multiple bladder tanks can be installed either side-by-side or end-to-end for almost unlimited rainwater storage
  • Once the bladder tanks are full, any excess water diverts to the existing storm water system so that there is no fear of over-filling
  • Standard 100mm over pipe inlet that fits standard downpipes

Ecosac Bladders are available in a huge range of sizes. Make a width and length selection above to update the price on the size right for you.

Ecosac Bladder Sizes

Additional Information

SKU ecosac-bladder
Energy Star Rating No


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Ecosac Rainwater Bladder Tank 0 out of 1 5 based on ratings. user reviews.