Hozelock Water Store Gel 250ml Code: 2016 This is the ULTIMATE water storing gel. It works 50 times faster than any other. This means that less water is wasted. Saves 90% water, only water once per week, bigger healthier plants. (Sodium free and non toxic.) Mix with compost to store water. 250ml of the Ultimate Water Storing Gel - looks after a maximum of 30 pots. £4.99 Quantity: