SEAKLEAR ALKALINITY INCREASER. 2LBSEAKLEAR ALKALINITY INCREASER. 2LBAvailability: 10 in stockSKU: 662817905949Manufacturer part number: 662817905949 $6.90 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 662817905949Product: SEAKLEAR ALKALINITY INCREASER. 2LBCategory: Sanitizers & Chemicals >> Sea Klear / Sanitizers Chem.Product tags hot tub parts (7713), 662817905949 (1)