river rok

  1. M

    Why is Cyanuric acid high in a newly filled pool? What can we do to lower it?

    Hi, Our pool was finished with River Rok plaster and we are filling the pool with hose water. I tested the water coming out of the hose and the Cyanuric acid reading is zero. I did this twice to be sure. When I test the water in the pool the reading of Cyanuric acid is 250! (also checked several...