I began running Ferric Oxide to help with elevated P04 levels in my tank.
DI resin changes color when exhausted. Is there a way to determine visually if the Ferric Oxide is exhausted?
Thank you and Happy Thanksgiving.
Dom
DI resin changes color when exhausted. Is there a way to determine visually if the Ferric Oxide is exhausted?
Thank you and Happy Thanksgiving.
Dom