Test Strips View cart “Bio Ouster Restoration Plumbing Cleanse” 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 Enzyme $21.99 Add to cart Foam Down 32oz. $29.99 Add to cart Spa Down / pH Down 2.5 lbs $14.99 Add to cart Bio Ouster Restoration Plumbing Cleanse $49.95 Add to cart