Spa Clear – 500ML View cart “pH Booster – 750GM” has been added to your cart. $12.77 12 in stock Spa Clear - 500ML quantity Add to cart SKU: 908330 Category: Spa Chemicals Related products Cartridge Cleaner – 1L $17.77 Add to cart Spa-Tabs – 2KG $44.77 Add to cart pH Reducer – 1KG $15.77 Add to cart Brominating Granules – 700GM $29.77 Add to cart