If running your hand along the pool wall leaves a chalky film, or there are stains that just won’t scrub out, the surface is probably worn. King’s Pools offers pool resurfacing in Livermore and Dublin, as well as Concord and the rest of the East Bay. They’ll take off the tired layer and put on fresh plaster or pebble. Plaster is the budget-friendly choice, and pebble has a more natura... https://kings-pools.com/services/pool-and-spa-renovation/