pH Up$6.95 2 lb Effectively raises pH levels in spa and hot tub water. pH Up quantity Add to cart SKU: 120-013020S12 Categories: Balancers, Spa Chemicals Related products Add to cart Spa Recovery $10.95 Add to cart Alkalinity $8.95 Add to cart Instant Cartridge Cleaner $14.95 Add to cart Spa Marvel Cleanser $27.95