Pool Water Testing Skip to content HTH™Canada myHTH HTH™ makes twice weekly water testing as easy as 1-2-3. Quickly test your water and get fast, accurate results with our HTH™ Pool Care 6-Way Test Strips, HTH™ Pool Care 6-Way Test Kit and HTH™ Test to Swim™ app....
6-Way Pool Test Kit 3" Chlorinating Tablets Advanced Shock Advanced 12 pack Green to Blue Advanced Algae Guard Advanced Clarifier Advanced Buying Options Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 501 4.5 out of...