Better hot tub filtration for cleaner, clearer water. We’re found a way to do it. Arctic Spas® Active Skim Filtration takes water clarity to the next level — literally. Unlike fixed systems, this innovative filter design stays at the same level as your water, continuously skimming the surface where most contaminants naturally collect. By drawing in surface debris more effectively, it ensures your filters capture what matters most — delivering the crisp, clear water you expect every time you step