Leisure Time Fast Gloss is a unique dual-action formula that polishes and cleans your spa surfaces at the same time, saving you time and money compared to buying two different products. Its powerful liquid formula is made from reactive silicon to give your spa a glossy, streak-free coating, while being resistant to rainwater, sunlight, temperatures, and other spa chemicals. It's even compatible with chlorine, bromine, ozone, and biguanide sanitizers. Best of all, Fast Gloss can be applied in just a few minutes and is able to last up to 6 months, making it perfect for any spa.