Aquachek Yellow Test Strips Chlorine Ph Pool Spa 50 pk.

Aquacheck test strips Yellow.   Yellow is the test for Free Chlorine, PH, Total Alkalinity and Stabilizer.

Testing for Free Chlorine will let you know how much sanitizer is working, whether you are not adding enough or adding too much.

The PH is the comparison of Acids and Alkalinity Salts in your water. Too high of PH will result in equipment damage, as scale will result, also too high of PH will result in inefficient sanitizers. Too low will create a Acidic enviroment, burning your eyes and destroying your equipment.

The Total Alkalinity is the amount of Alkalinity Salts in your water and too low or too high will result in cloudy water, the biggest concern on Total Alkalinity is improper balance will result in PH bounce and lack of control of the PH.

The Stabilizer is for swimming pools only, although too high of stabilizer in an indoor pool or spa can result in cloudy water. Too low in an outdoor pool will result in chlorine being pulled out of the pool from the sun, proper stabilizer in a chlorine treated pool or a pool using a salt generator, will save you money and "stabilize" the pool. Salt generators create Sodium Hypochlorite, which is the same as liquid chlorine, and if there is not stabilizer in the water, you will not be able to maintain a safe chlorine level.

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