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In between each floater, the tank circulates the solution through the filter at least five times, meeting the strictest of health code standards across the U.S. Plus, with 1,000 pounds of Epsom salt, the solution has a similar mineral content to that of the Dead Sea, in which nothing can grow.

Ozone (O₃) and UV light are built into the filtration system and are the primary sanitizers. A couple ounces of a high-percentage hydrogen peroxide (H₂O₂) is the only other addition. Ozone has one oxygen molecule more than air, and hydrogen peroxide has one oxygen molecule more than water. As ozone and hydrogen peroxide pass through the UV light, the extra oxygen molecules are removed, creating hydroxyl radicals which act like magnets, attracting any particles in the solution that are too small for the filter until they become large enough to be removed.

This process, which is recommended by the Center For Disease Control (CDC) and the Float Tank Association (FTA), physically removes any contaminants from the solution. Air and water are the only byproducts, making this much safer for floaters than the alternative option of bromine. While bromine will kill anything in the solution, it does not help remove it. Bromine also burns off into a gas that will hang within four inches of the surface and is toxic to breathe, especially in a closed tank.

In addition to cleaning all touched surfaces between floaters and sanitizing daily, we close half of Monday for our deep clean to scrub the entire room including the inside and outside of the tanks. We also use this time to top off with water and add Epsom salt.

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