Water purifying and treatment chemicals for spas, hot tubs, swim spas, cold plunges, and baths, namely, water chlorinating and brominating chemicals being chlorine and bromine; Water purifying and treatment chemicals for spas, hot tubs, swim spas, cold plunges, and baths, namely, slime removers for water being algaecides; Water purifying and treatment chemicals for spas, hot tubs, swim spas, cold plunges, and baths, namely, balancers for adjusting and buffering pH, total alkalinity, and hardn...