It is a product that reduces the alkalinity of the water in the swimming pool when it is measured with a water tester to calibrate the percentage of chlorine and acid in it before people enter their swimming practice.
The acid is considered one of the most important rapid factors for reducing and stabilizing the alkalinity of water at a specific point and calibration in the test apparatus.
And an effective element for rapid intervention of water stability because of its positive effect and a guarantee of safety