Jaybird
Aquarium Advice FINatic
How much of the filter needs to change colour before you change the filter? About the bottom 25% of mine has changed to a rusty red, but it hasn't moved from there for a while. Should I change it when it reaches about 75-80%, or what?
Sorry for the question, but I've never had an RO/DI unit before this one. I was a freshy before, so I never used one.
Sorry for the question, but I've never had an RO/DI unit before this one. I was a freshy before, so I never used one.