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For Residents


young girl sitting in front of rainwater tank

Are you looking to buy a new rainwater tank?

This great online tool calculates what size rainwater tank best suits your needs.

The tankulator was developed by the Alternative Technology Association, to not only help you calculate the right size rainwater tank for where you live, but to also help you choose:

  • the best place to put your tank
  • what materials you can select
  • filtration options
  • the best pump for your tank

Visit the tankulator to get started.

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Further Information
Last updated: Monday, 14 September 2015, 5:59 AM



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