A pool light gasket needs to be replaced in a very safe and secure way, as the light itself is hooked up to electricity. Replace a pool light gasket with help from an experienced swimming pool and spa industry professional in this free video clip. Expert: Kristen MacDowell Bio: Kristen MacDowell has over 20 years of experience in the Swimming Pool/Spa Industry. Filmmaker: Kristen MacDowell Series Description: If you take care of your pool, it with in turn take care of you in the form of fun and heat relief during countless hot summers for years to come. Get pool maintenance and care related tips with help from an experienced swimming pool and spa industry professional in this free video series.