Aquachek Swimming Pool Salt Test Strips.
AquaChek White Test Strips makes Sodium Chloride testing easier than ever. You’ll get a specific, accurate reading every time, so you can ensure proper levels of salt in your pool or hot tub water. With appropriate salt levels, you can rest assured that your pool or spa generator will be able to produce the correct amount of chlorine to keep water clean and free of contaminants.
The AquaChek White test strip measures salt levels from 400 to 7000 ppm, and takes just three to four minutes using a small water sample.
Features:
AquaChek White Salt Test Strips
Precision testing of Sodium Chloride levels
Measures salt levels from 400 to 7000 ppm
The ideal salt level is between 2700-3400 ppm (parts per million) with 3200 ppm being optimal.  Before adding salt to your pool, test the water to check your salt level