I also am having a diatom issue that I am sure is because of a depleted di resin. I have a dsb in a 120 with a 100 gallon sump and 20 gallon fuge with chaeto.
I am wondering the best course of action now. I changed the ro/di filters and have done one 65 gallon change with the better water. I am planning another 65 gallon change this week-end.
Do the diatoms fade away with water changes or is there something else I should do?
Thanks. I was searching for answers and ran across this thread.
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Meg
120 gallon reef
4"dsb,liverock,lifereef skimmer
150 basement sump
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