Our Hot Spring Spas Freshwater Portable Spa Test Strips will help you maintain a brilliantly clear, odor free spa water by testing for: TBr – Total Bromine FCl – Free Chlorine Alk – Alkalinity pH Hard – Total Hardness Just immerse strip, swirl 3 times, remove with pads face up, and compare against the chart on the bottle…it is that easy!
$12.99 — available on subscription
