Crystal growth systems are proven on concrete mega structures world wide and now available as a do it yourself kit. Crystalfix helps waterproof your tanks in compliance with AS3735 Concrete Structures for retaining liquids. Crystalfix is easy to use and offers superior and ongoing results as it continues to repair, seal, densify, and protect your structure. It also,physically and chemically protects your steel reinforcing to ensure maximum life span of tanks, troughs, pits and general concrete structures.