Chemical Metering Pump Chemical Compatibility Ammonium Hydroxide Calcium Carbonate Hydrochloric Acid 10 Percent Hydrochloric Acid 20 Percent Hydrochloric Acid 30 Percent Oils Phosphoric Acid 40 Percent Potassium Hydroxide 50 Percent Sodium Hydroxide 20 Percent Sodium Hypochlorite 10 Percent Sodium Hypochlorite 20 Percent Sodium Hypochlorite 5 Percent Sulfuric Acid 10 Percent Sulfuric Acid 20 Percent Water Control Programs Manual Control Discharge Connection Size 7/16 in