“PST-C12 United Chemical Pool Stain Treat 2 lbs.” has been added to your cart. Continue shopping Product Price Quantity Total × PST-C12 United Chemical Pool Stain Treat 2 lbs. $27.42 PST-C12 United Chemical Pool Stain Treat 2 lbs. quantity $27.42 Cart totals Subtotal $27.42 Shipping Shipping costs will be calculated once you have provided your address. Total $27.42 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update