Step #2 of Final Rinse Solution. After adding 1oz Final Rinse A/gallon of water, stir until fully dissolved, and then add 1oz Final Rinse B to the solution. This is not a sanitizer, but it leaves conditions so clean and free of food sources and nutrients that bacteria cannot exist.
Soak all cold side parts and tank internals in this solution for 10 minutes. Allow parts to dry, or use immediately. Tank internals: After fully drained, purge with CO2 to maintain a fully clean system.