Services Cleaning Sparkling clean tiles make your pool come alive, while scaly damaged tiles can make even the most expensive of pools look cheap! Tile Repair Finding the proper tiles is always attainable, but we assist our customers in coming to a finished tile repair that can put their minds at ease and get back to enjoying their pool and spa. Artificial Rock Painting Synthetic rockwork is very common in backyard pools, but the paint, which is used to replicate natural color of rocks, tends to fade away with time. Tile Deck-o-Seal/Mastic Service. The gap between pool structure and decking is caulked with a sealant, typically mastic or deck-o-seal®. While these sealants are pretty resilient, they tend to lose their strength over the years. Acid Wash Acid washing your pool every few years is an excellent way to keep stains off the pool tiles. It is also an effective solution for black algae and helps in removal of unsightly calcium deposits.