Test Strips View cart “Bio Ouster Portable Hot Tub Watercare Kit” has been added to your cart. $14.99 Add to cart Add to Wishlist Category: Spa Chemicals Tags: hot tub test strips, hot tub testing strips, robarb test strips, spa test strips Description Description Test Spa water for PH, Alkalinity, Bromine and Chlorine levels. 50 Test Strips per package Related products Filter Clean $14.99 – $29.99 Select options Metal Gon & Defender 2 Pack 16oz. $29.99 Add to cart Jet Clean 16oz. $14.99 Add to cart Bio Ouster Portable Hot Tub Watercare Kit $99.95 Add to cart