We just installed a sump tank for our aquarium yesterday.....and today we decided that we had the water level too high, so we turned it off and redid the height. We have it back in working order now, but I noticed that there are bubbles in the overflow box and bubbles going through the U tube. I don't remember bubbles yesterday, so I'm not sure if that is normal or ok. Just wanted to get some feedback. Also.....when I want to change the filter and clean the bio balls....do I have to turn the whole sump off to do so or is there an easier way? And lastly, do I need to do any type of water change for the sump ever? Just a few questions about the sump since I just got it together. Thanks in advance!!!! Looking forward to hearing your thoughts!
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