Rainwater-Harvesting Calculator - JoJo Tanks
The JoJo rainwater-harvesting calculator. A smart way to determine the tank size you require Rainwater harvesting remains the simplest and most efficient way to collect FREE rainwater for a multiple of domestic uses. For most houses, 90% of the water that falls on the roof inevitably finds its way into the downpipes. Everyone should take advantage of this FREE water supply from the sky by simply connecting a rainwater-harvesting tank to a downpipe. But, most often, it’s the size of the tank required that causes the biggest headache because it’s important to balance supply and demand with the right sized tank(s) so that there’s adequate water supply during long dry periods. That is why JoJo Tanks designed a rainwater-harvesting calculator that allows you to easily establish the amount of water you are able to capture on an annual basis and the ideal size of the tank(s) you would need to install. The calculation does take into account the efficiency factor of different