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25 strips that test salt water levels
Ideal salt PPM 1,500-2,000ppm.
149 in stock
Just immerse strip, swirl 3 times, remove with pads face up, and compare agai...
FreshWater Phosphate Test Strips are easy-to-read strips that test for pH, al...
50 strips that test total bromine, free chlorine, pH, and total alkalinity