I am a bit of a nube though.
I'm surprised it may be bioload though in a tank that has been stable for 3 years with the only addition of a file fish basically. I was wondering if my clean up crew starved actually. I have turbos, astrea, nassarius, urchin, conch, cleaner shrimp (now missing), coral banded shrimp, hermit crabs. I have been putting algae down on the bottom for them. As soon as a fish poops in my tank, it's a feeding frenzy. It doesn't even get to the bottom of the tank.
Could that die off alone cause the spike?
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Scuba Girl
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