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If it has bubbles, it's cyanobacteria. Not an algae, but commonly referred to as "red slime" algae. It feeds off of phosphates and nitrates. Just...
I have a pair of adult blue green chromis in my tank and they have always been healthy and very active. Over the past week or so however, only one...
The center brace is VERY necessary. If it wasn't, it wouldn't be there. I had a similar issue with my tank. I have a 56g column marineland tank....
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