Home / Chemicals / Bioguard Balance-Pak-200 pH Increaser Bioguard Balance-Pak-200 pH Increaser Use to raise pH in pool water, helps prevent equipment corrosion, etching of plaster, and wrinkling of liners caused by low pH. Prevents eye irritation due to low pH Category: Chemicals Tag: Bioguard Spread the love Related products Bioguard Balance-Pak-300 Calcium Hardness Increaser Read more Bioguard Oxysheen Fast Acting Non-Chlorine Shock Oxidizer Read more Bioguard Lite Multi-Purpose Shock Read more Bioguard Spa Chlorine Tabs Read more