It’s amazing what an old finish can look like with just a simple drain and clean, whether it be a full acid wash or a chlorine wash. This process only took 3 days, from the initial drain to the time the water was re-balanced and ready to swim.  All for a small fraction of the cost of a new finish. 

Metal stains, scale or stains from hard water, and stains from organics or locked-in algae are all eyesores that you don’t have to accept.