I just added cation and anion to my RO system because I'm going thru mixed bed resin very quickly. The cation resin is purple, as soon as the water from my RO cartridge started filling the canister the resin started turning red/orange. Is this normal, it doesn't look like it. The resin is from BRS. I backwashed the RO cartridge for 5 minutes. My system in order Sediment, two carbon blocks(chloramines), 100 GPD RO cartridge (less than 6 mod old), cation, anion, mixed bed. Water coming out of the RO is 8ppm, slight color change in total/free chlorine strip test.
TIA
...JIM...
TIA
...JIM...