Summer Smiles Klean Surface 4L (29% Hydrochloric Acid)

Klean Surface 4L - An aqueous solution of 29% hydrochloric acid. It cleans concrete efficiently to improve the adherence of paint work. Effectively eliminates efflorescence salts and calcareous deposits, and can also be used to clean bricks, stones, ceramics and concrete pools. KLEAN SURFACE can also be used to lower pH and total alkalinity in pool water.

Compatible with salt systems 

To dilute, slowly pour acid into water, never pour water into acid

Do not use on stone or bricks covered with silicone.

Product Safety Data Sheet