Wildfires are once again ravaging the Western U.S., particularly California. The two largest fires in the Golden State -- the Complex Fire and the Holy Fire -- have damaged nearly 600 square miles combined.

These disasters pose unique challenges when it comes to clean-up and repair. Ash can really throw the chemistry off balance, and unknown damage can occur to equipment and structures. Here, swimming pool and spa expert Terry Arko offers tips for working with swimming pools and spas that are located directly in a fire zone, or just outside it. He addresses pool and spa service technicians, but facilities can benefit from his explanations about the effects of ash and fire-suppressing chemicals, a regimen to treat the water, as well as safety advice.

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