Keep dry and store off the ground. Instructions and safety information can be found on the back of the bag. A measured water supply is required. The addition of 2.5 litres of water to a 25kg bag will produce around 11.5 litres of concrete, enough for a rectangular slab measuring 1000x300x40mm or its equivalent. Please refer to the Drymix website for the concrete calculator. The performance and convenience makes it particularly suited for concrete jobs around the home and garden.
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