The acid etching process will remove the old concrete sealer completely from the concrete slab. Bloom remover removes efflorescence (whitening) from under solvent based acrylic sealer films caused by dampness, efflourescence or rain. How To Stain Concrete Part 2 Painted Concrete Floors Concrete Stained Floors Stained Concrete Superseal concrete sealer remover is easy to use yet extremely effective. Colored concrete sealer remover . In its place will stand a fresh slab of concrete ready for a new application of concrete sealer. Roll the superseal concrete sealer remover on the failed sealer in sections of 10x10. Keep in mind, if your concrete was stained or dyed using xylene, it can damage or change the color of the concrete. Sealgreen efflorescence remover is for removing efflorescence, salts, minerals and hard water deposits from pavers, split block, clay brick, cinder blocks and natural stones. Sweep the floor to remove the dry flakes. Application of the product is as fo...