Haviland item C007263-CS74C1: Haviland pH Plus, 10 lb bag. Increases pH in pool water; proper pH makes water more comfortable and prevents corrosion of pool components and equipment. Product details Part number C007263-CS74C1 Manufacturer Haviland Pool & Spa Products Brand Haviland (house-label version of ProTeam pH Up) Product pH Plus (pH increaser, granular sodium carbonate) Size (this listing) 10 lb Bag Sizes made (per Haviland) Haviland-label sizes not published Use Pools Features and benefits Raises pH of pool water Fast dissolving granules Easy to use application Corrects pH to provide comfort to users Reduces the overuse of chlorine in pool applications Helps protect pool equipment and surfaces from corrosive water conditions Granular sodium carbonate product (pH 11.4) How to use (per Haviland) Ideal pH should be between 7.2-7.6 Add when pH is below 7.2 Take the total amount needed and divide into half Easy to use dosage chart on container Always read and follow the full label directions and safety precautions before use. Safety Data Sheet (SDS, PDF)