The best pool water test kits are easy to use and produce consistently accurate results. Taylor R0008 Swimming Pool Spa Test Kit Total Alkalinity Indicator 2 Oz Bottle 4.7 out of 5 stars 100. Morton Salt F134660000 Pro Pool Salt, 40 lb 4.6 out of 5 stars 112. The kit is easy to use and the instructions provided are very clear. The kit … 3-Way Swimming Pool and Spa Water Test Kit with Case Keep your pool or spa balanced all season Keep your pool or spa balanced all season long with the 3-Way Swimming Pool and Spa Water Test Kit from Poolmaster. $12.90 #48. Test Kits Kokido 5-way Swimming Pool Test Kit. Recently purchased a 16'x48" pool and have been using this test kit almost daily to test and maintain my water. It reliably measures pH, chlorine and bromine. Kokido 5-way Swimming Pool Test Kit. Really, really love this pool test kit. Taylor … The test kit includes tests for alkalinity (20-400 mg/L), free and total chlorine (0-3.4 mg/L), hardness (20-400 mg/L), and pH (6.6-8.4 … Hach's Pool Master Test Kit combines several tests into a single test kit. The results, compared against that of my local pool … $10.79 #47.