Before You Start an Acid Wash Don’t Make These Mistakes!
Off-season pool maintenance is the best window to schedule a pool drain, acid wash, or chlorine wash because weather is usually milder and demand is lower. Timing matters more than most pool owners realize: draining a pool in extreme heat can dry plaster too fast and trigger chips, cracks, and surface failure, especially on older finishes. The safest approach is planning around air temperature, sun exposure, and how quickly you can refill. Night draining and early-morning work reduce direct sun and help keep the plaster from baking. In practice, a comfortable 70 to 80 degrees is ideal, while 90 degrees can be risky depending on the age and condition of the pool surface. Before you commit to any drain and clean, decide whether the job truly needs a full drain or a partial drain and refill. High cyanuric acid (CYA) can sometimes be solved with a partial drain, reducing both risk and cost. If the customer wants cosmetic improvement, inspect the plaster or pebble finish carefully. Existing...