A solid formulation for use with sodium chloride and a chlorine generator
to provide safe, clean chlorinated recreational water. The formulation
comprises a chlorine stabilizing agent and a phosphate remover agent. An
enhanced salt comprising a chlorine stabilizing agent, a phosphate
remover agent and sodium chloride is also described. The formulation and
enhanced salt can also contain a metal chelating agent and a pH balancing
agent. A cleaning agent may also be included. A fast dissolving sodium
cyanurate compound is used for the chlorine stabilizing agent. A method,
kit, and system for providing safe, clean chlorinated recreational water
are also disclosed.