Everyday millions of gallons of expensively treated potable water is flushed down the toilet in the UK. Ideally we would all use rainwater to flush our toilets however this is not considered a practical option for most people. An alternative is to reduce the amount of water used in each flush.
Modern toilet cisterns use around 7-8 litres of water per flush, with pre-1993 models typically getting through 9-12 litres. This is far more than is actually necessary to flush a toilet fully and so one of the following products can be used to reduce the amount of water used per flush by 1-3 litres. Read more
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