How to Break Up Concrete. Attach a 5 to 7 in (13 to 18 cm) diamond cut wheel to an angle grinder with a 4.5 in (11 cm) cup wheel. If you don't have one, do whatever it takes to stir up the dust. Pour hot water (be careful not to burn yourself) over the detergent and scrub well. It creates the perfect setting for mold and mildew to grow and spread. A concrete pool deck is often exposed to water. Let foaming action work. For larger areas, homeowners report success eliminating algae by attaching a liquid fertilizer delivery device to the end of a garden hose and filling it with pool chlorine. Reapply if smudge is stubborn. Although it gets a chance to dry out, certain circumstances can cause the surface to develop mold and mildew. ••• Calculate prices and benefits to removing your vinyl or fiberglass pool. When grinding coatings off pool decks or prepping the deck for a decorative stain, the contractor can use the Original Dust Muzzle or the new Dust Muzzle Heavy Duty to contain silica dust made when grinding the concrete pool deck. Do not let it re-harden. Again, start at the top and work your way down.To easily remove dust from walls, moisten a soft towel with water and wrap it around the bottom of a broom. Rinse remainder with water using a hose nozzle or a low impact power washer. Dwell (to activate) no less than 15-30 minutes. The best method for preventing this damage from happening is taking steps to avoid concrete splatter prior to the cement's application. The particles in concrete dust are very fine; simply vacuuming will not remove it all. Just be sure to mark the boundary of the pool so people can safely walk around it. HomeAdvisor's Pool Demolition Cost Guide provides average costs and details on how to remove an inground or above ground swimming pool and fill it in with dirt or concrete. Gently wipe off grayish paste with a towel or stiff rubber brush. ... they should be washed off with water to remove all concrete. Professionals also recommend vinegar if cleaning dried concrete from hands after working with fresh cement. An alternative is to use a flat sponge mop. Use a liquid to remove all of the dust. Removing cement stains can be especially difficult when they are on aluminum doors or siding. Secure with tape if necessary. We had a new pool deck installed and during the tear out some of the old concrete pieces got in the pool - and when they cut the new deck's control joints some dust got into the pool. In order to remove dried cement from tile, wood, glass and other surfaces, there are many commercial products available that safely do the job. Most of the methods will also work to remove stains on concrete. If you get dust in the pool, the filter should take care of it. Concrete Dissolver: An Easy Way to Clean Masonry Tools. A pump and filter team up to remove fine debris from the pool water. If left to harden, the concrete is difficult to remove and can rust or pit the metal parts." FWIW, it's my husband's concrete company, and he's the guilty party for getting all that mess getting in the pool. Now, using this dust vacuum with NO ENERGY, … Because of the workers, the concrete cement is all sticking in that net.