Case of 12 1kg PhosLocker Max pouches (price breakdown: $17.86/unit). 
 
When you need MAX performance PhosLocker Max has you covered!  Remove even more phosphate!(Ideal for large capacity pools, and/or pools looking to maintain less than 125 PPM phosphate levels)
 
Less phosphate = clearer water.
Simply place it in your skimmer basket, after 30 days remove from pool and empty the phosphate rich contents into your flower bed for super nutrient rich fertilizer!