Ecosmarte systems were built specifically to protect the environment. No Cyanuric Acid is used (stabilizer/conditioner). Ecosmarte systems are extremely energy efficient. Costing only $1 a month to operate, and reduced energy use due to the reduced filtration that is needed. Because Ecosmarte Pool Systems are 100% Chemical-Free, there is also no deadly chemical backwash that pollutes our earth. Our name says it all. Ecosmarte is your #1 choice for an environmentally safe pool treatment system.