Method of Use of RXSOL Efflorescence Remover
Before use, remove any loose debris from the work surface and ensure you have adequate personal protection. Use a stiff bristle brush to sweep down the affected area, With a hose, wet the wall surface with clean water. Immediately spread the product with a sponge, brush or sprayer. Leave the mixture to dwell for 2 - 5 minutes then hose off with clean water immediately.
In cases of heavy contamination it may be necessary to repeat this procedure.
Do not allow the product to dry on the surface.
As a final step, use detergent to neutralize the acid then wash it with clean water.