From ice to veggie peelings through to getting the hound involved, here are 10 more super water saving ways: When you give your pet fresh water, don't throw the old water down the drain. Use it to water your trees or shrubs. Catch water in an empty tuna tin to measure sprinkler output. Two and a half centimetres of water in approx. 0.09 square metre of grass equals about 3 litres of water....

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