APOGOUS US via Amazon has AKARUED Pool Test Strips 100 Count for $6.39 w/code 604F1PNH.
Shipping is free w/ Prime or on $25+ orders.
- 6 in 1 Pool Testing Strips】You can test your swimming pool & spa about PH, free chlorine/bromine, total chlorine, total alkalinity, cyanuric acid, total hardness at a time. Keep your water in a healthy & clean condition year round
- 【Easy to Use and Read】Just dip a pool test strips in water 2 seconds, take it out and wait for 5-30 seconds, compare each panel color changes to the color chart on the side of the bottle, then you can get the the accurate results of water quality
- 【Keep your spa water balanced】Make sure the spa test strips is within the following recommended ranges: total chlorine 0-1 ppm, pH 7.4-7.6, total alkalinity 80-120 ppm, cyanuric acid 30-50ppm and total hardness 250-500 ppm.
- 【Easy-To-Store】These hot tub test strips were packed in a easy-to-store container. 1 pack contains 100 test strips.