Pool Patch service technician is a Certified Diver. We search the pool looking for any leaks whether it is a hole in the vinyl, the steps, underwater light or centre drain. We repair pools underwater using vinyl patches, we match the patch to whatever colour the pool liner or part is. The steps usually have a problem where the vinyl has come out of the coping. The underwater light or centre drain usually just needs a new gasket.more...See more text