Softcare by Softub – Test Strips 4 in 1 9801850
Tests for Total Alkalinity, pH, Total Hardness, and Free Chlorine. 50 strips included.
Always balance the Alkalinity first and then PH and always within the first 24 hrs of filling the tub.
Then balance the hardness and address any metals (Iron, Copper, Etc…) and then add Chlorine when the water temp is above 80° F.
Jennifer Soler –