The water gadget pages will provide you with further information on the gadgets that your schools’ Water Use survey may have suggested.
The actual water that a device can save depends on the way the water was used to start with. The savings here are best estimates, based on assumptions.
One bucket – below 1,000 litres
Two buckets – between 1,000 and 10,000 litres
Three buckets – between 10,000 and 100,000 litres
Four buckets – over 100,000 litres
One balloon – below 0.5 kg
Two balloons – between 0.5 and 5 kg
Three balloons – between 5 and 50 kg
Four balloons – over 50 kg