ResinTech SBG2-HP-HCO3 is a high purity bicarbonate form type 2 gel strong base anion resin. The HP (high purity) designation means it is Gold Seal Certified by the WQA for use in potable water applications. SBG2-HP-HCO3 is intended for use in potable water applications where a type 2 strong base anion resin is required, where an initial pH drop is undesirable, or where the release of chlorides is objectionable.