Test Strips View cart “Spa Down / pH Down 2.5 lbs” 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 FROG @Ease 3-Pack Replacements (for Spas) $54.99 Add to cart Scum Balls – 2 pack $14.99 Add to cart Spa Up / pH Up 2 lbs $14.99 Add to cart Spa Down / pH Down 2.5 lbs $14.99 Add to cart