Ideal for pools with flint or sand filters.
solid acid product which is characteristic by eliminating fouling produced by the water and dirt salts deposited within the sand filter.
Directions for use: the periodic cleaning of the sand filter or flint, introducing 0.5 lbs CTX-55 into the pre-pump filter and the weir, put filtration filter valve position and put into operation for a short time, enough to reach the diluted product into the interior of the filter; Stop the filter and leave to act CTX-55 ° C for approximately 1 hour and then perform a thorough washing in countercurrent.