Russ and Doneal have been solving tub problems for close to 25 years. We stock filters for many makes and models. No water problem baffles us. Unlike some in the industry who are willing to sell you a art-full of chemicals and wish you luck, we will help! Your water will be analyzed in our laboratory, we will patiently explain the solution to your problems and only sell you what you need in order to accurately correct your situation.