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shock the add Dual Strength Algaecide to get the best results
small granular
Free Chlorine and Salt
Safe T Chlor is also suitable as a supplementary chlorine source for saltwater pools
High Phosphates per 10
All Purpose Algaecide 1l Sanitiser shock the add Dual StrengthMetal Free Concentrated Pool Algaecide 320g L Polymeric Quaternary Ammonium Compound. Kills Black spot, Blue green, Mustard and Green Algae. Designed and manufactured right here in NZ All Purpose Algaecide is universal algaecide, which can be used in all pools. It is a Metal Free Concentrated Pool Algaecide 340g L Polymeric Quaternary Ammonium Compound. All Purpose Algaecide a perfect back up in your pump shed when you need it. It also has a built in
