Rain Harvesting Design Service
Interactive Tools and Services
Mass Balance Tool
Calculate your monthly and annual tank levels based on your usage, collection area and rainfall patterns.
First Flush Calculator & Selector
Easily calculate how much water you need to divert and discover which First Flush Diverter is right for you.
Filter Housing and Cartridge Selector
Select the right filter system or replacement cartridge for your property.
Tank Screen Tool
The perfect tool to help you select the right tank screen every time.
Rain Head Selector
Select the right rain head for your property.