Material treated with HS4 Sludge remover is unlikely to form a solid mass again.
Overdosing the system does not present a problem
1 litre
Description:
Cleans and neutralizes sludge, flux, scale, silt, light rust, debris, oils and grease from new and old systems, as well as flocculating magnetite sludge’s and Particulate residues, to facilitate their easy removal with a Power flush machine. Use at 1% dilution (1 liter to 100 liters of water).