Quote:
Originally Posted by abcha0s
No. I don't think they would go above the water line. Maybe I am confused? From the pictures it looks like there are holes in the sides. I assumed these were to allow water to flow through the refugium. Maybe it's just a shadow?
If there is no water circulation through the refugium from the main tank, then I would be worried about water quality.
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abcha0s thank you, there are no holes in the refugium, just a small pump and I dump and add new water from the tank a couple times a day for now.