200pcs 6IN1 Chlorine Dip Test Strips Hot Tub SPA Swim Pool Water PH Tester Paper
NEW Garden Stainless Steel Gazing Balls Ball Globes Floating Pond (Set of 6 PCS). Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Total chlorine test range: 0 ~ 10 ppm.