The Food Colouring Toilet Test That Reveals Hidden Leaks Costing You £100+ Per Year
A simple kitchen trick using food colouring can reveal whether your toilet is silently leaking thousands of litres of water annually. Most UK toilets with dual-flush systems are prone to invisible leaks that waste up to 400 litres per day, adding £100+ to yearly water bills. Learn the 20-minute test plumbers perform first.