["How do you remove hidden accumulated gunk and crud from inside the pipes of your jetted bathtub or jacuzzi? With Tubsi Jetted Tub Cleaner its simple: just pour it in and run your jets! Youll be amazed at how much bath & body oils soap scum and black flakes that treatment will remove leaving your tub jets clean-as-new." PRECISELY FORMULATED for maximum crud-cutting power on a wide variety of organic and bath product residues. Lab & Field tested and refined to outperform competitors. Safe and effective for a wide variety of tub materials including acrylics ceramics fiberglass porcelain as well as PVC silicone brass chrome and stainless steel. RECOMMENDED USE: Pour 4oz into your tub for initial clean. Use 2 oz for maintenance cleanings. Four to eight uses per bottle helps you easily maintain your tub! ECO & HUMAN FRIENDLY: No need to worry about choosing between maximum cleaning power and healthy decisions. Tubsi Jetted Tub Cleaner is safe super-effective non-irritating and biodegradable. Our formula is free from EDTA and bleach. SUPPORT USA: Engineered tested produced bottled and shipped in the USA! Quality assured.]