11-11-2011, 05:17 PM
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Originally Posted by alwaysoc0nfused
I have a question..I have a HOB filter for up to a 70 gallon tank. When i came home today, all the floating plants somehow created a blockade around where the water comes out of the filter. Resulting in very little water movement. I noticed all the corys and a couple of the other fish just being idle even when i fed them. which isnt normal. Then i moved the plants away from the filter and shortly after that the corys and the other fish were moving around again. any one know whats going on?
I don't know how much actual water current is produced by your filter, or the species of cory. Some corys prefer a slight current, some don't seem to. If the current was so minimal that it affected them, I woould think it must be really blocked. I have had this in my 115g. Some of the corys were respirating faster than normal, and were somewhat inactive; that caused me to look closer into the tank, and I noticed the plants next to the filter return were not moving as usual. I cleaned the canister filter, it really was dirty, and the flow was back to normal and the fish returned to normal.