Tag Archives | jojo tank size

rainwater harvesting calculator

Rainwater Harvesting Calculator – South Africa

How much rainwater can you harvest from your rooftop? You need to know your rooftop surface area and local annual rainfall to calculate how much rainwater you can harvest. To calculate your rooftop surface area (approximately), use a tape measure or meter stick to measure a walking stride that is 1 meter in length. Then, […]

Read full story Comments are closed