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#1
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I have had similar problems twice with my skimmer (ancient EuroReef) and the solution (twice now) has been a new impeller (indecently expensive but cheaper than a new pump).
It seems that the magnet swells over time, even with no signs of rust, and starts binding on the inside of the pump - sometimes you can see light scoring on the magnet. I've had the same issues with the Jebao wave makers too, but haven't tried new impellers in them since I didn't make the connection until about 5 minutes ago - duh! One day I'm going to make a tiny lathe to turn down and then epoxy coat the magnets again - has to be worth it given the last impeller for the skimmer came in around $90 by the time I'd had it shipped and everything..
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SmallFry's 75 Gallon (Reef Eventually) Build |
#2
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Nitrate is a huge test that could point the finger on whats going on if all those are good and the nitrate is 30 then you will see everything you seeing
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything |