SWIMMING POOL FILTER DESCALER
Powerful descaler based on phosphoric acid, using in swimming pools to clean sand and diatom filters. Can be used diluted in cartridges and it is ideal for old and / or very encrusted filters. Recommended to dissolve inorganic deposits.
SAND FILTERS: Use pure, pouring the solution into the filter. Leave for at least two hours and proceed with backwashing.
DIATOM FILTERS: dilute to 25% (250 ml of product per liter of solution).
CARTRIDGE FILTERS: dilute to 5% (50 ml of product per literof solution).