swimspa-14 Posted March 9, 2017 Report Posted March 9, 2017 Is there anyone using bulk Chlorinating Granules (Sodium dichlor-s triazinterione 99%) and Oxidizer (chlorine-free oxidizer) (Potassium peroxymonosulfate 42.8% ) chemicals like GLB,Pro Guard ,or in swim ? Every chemical place I call tells me they are not the same as spa chemicals but the chemical percent are the same. I have a Calspa with an acrylic shell. Quote
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