What sort of block will Drain Clean Crystals clear?
• What is the difference between Drain Clean Crystals and caustic soda? Both clean drains but different prices? Caustic Soda contains 98% sodium hydroxide. Drain Clean Crystals contain 55% sodium hydroxide but there are other ingredients that make it a better drain cleaner than caustic soda. Eg, aluminium pieces which assist in heating and cleaning. • What shouldnt Drain Clean Crystals come in contact with? Aluminium as it will corrode it. It is Safe for PVC pipes. • Is Drain Clean Crystals safe for septic Tanks? Yes, provided you dont over do it. 2 applications a month would be ok.
