Utilizes a proprietary blend of alkaline cleansing agents combined with non-foaming surfactants to penetrate deep inside your whirlpool or spa's plumbing and equipment to scrub away biofilm, minerals and chemical contaminants Helps 'restart' rotating jets by eliminating contaminates that clog them Directions pour 1/2 bottle of PIPE Cleanser into spa water, run jets on high for one hour to ensure it works its way into the spa then drain and refill your spa Weight 8 ounces 226g per bottle About ecoone ecoone non-toxic pool and spa products were created for those who desire simple, nature-inspired, environmentally friendly products for their pool and spa Products are simple-to-use and take the guess work out of maintaining pools and spas Since 1997, ecoone has been the leader in developing natural-based pool and spa treatment systems The ecoone system reduces and/or eliminates the majority of your spa care chemical regimen including foam reducers, pH up, pH down, clarifiers, scum digesters, filter cleaning products and chlorine/bromine ecoone features Free of dyes, perfumes and fragrances Free of petroleum based chemicals no VOCs Made using enviro-friendly ingredients Natural ingredients means softer skin and less irritation to eyes Recyclable packaging Made in the USA Pack includes 2 of the item shown