Johnsons 6-in-1 Pool & Hot Tub Test Strips are the easiest and quickest way to test your spa or hot tub water for 6 different chemistries.
It’s important to know the chlorine level in order to shock your spa appropriately, bromine level to ensure clear water, pH level to prevent corrosion, and hardness levels to protect against scale formation and cloudy water. This test strip kit includes 50 strips per bottle, a water chemistry insert, colour chart comparator on the side of the bottle, and directions.
Three Easy Steps:
For further information please see the back of packaging.