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View Full Version : HELP!!! JBJ rear chamber is gonna cause my tank to overflow

slowhand383
05/26/2006, 07:32 AM
Help my tank seems like its gonna overflow!! Its a JBJ 12gal and the 3rd chamber keeps pumping all the water out into the main tank faster than it can fill back up. When I woke up this morning the rear pump was spraying air bubbles because the water level was almost empty in the 3rd chamber. The front display part of the tank was about to overflow. I add more water into the 3rd chamber and it just pumps it all back out. Yesterday it was doing this, and I thought that the filters may be restricted slowing the flow of water into the 3rd chamber. Well I changed them and its still doing it. The tank is a year old and has never done this before. Usually as the water level drops from evaporation the main tank level drops. Now its just the 3rd chamber and I swear its gonna overflow if I add any more water. PLEASE anybody out there, any help is greatly needed and appreciated.
slowhand383
05/26/2006, 08:42 AM
Nevermind, problem resolved. Thanks anyway
theop
05/26/2006, 09:15 AM
Were the holes from your tank to the 1st chamber getting blocked? That would be my guess as to why you were having the problem.
headtreads
05/27/2006, 02:27 AM
so what was the problem with it?
slowhand383
05/27/2006, 08:50 AM
The filter in the first chamber was pushed all the way down touching the bottom of the tank. ( I had a skimmer in the first chamber ) The inlet to the 2nd chamber is at the bottom and the filter must have been restricting flow through it. I just raised it up several inches and the water level immediatly rose back up. I guess to anybody who reads this, keep that in mind when changing your filters. I almost got the floor wet.
reefguy24
12/20/2013, 10:45 AM
I realize I'm ressurecting a 6 year old dead thread....but has anyone else had this problem?

I awoke this morning to the same thing. 2nd and 3rd chamber are emptying faster than they can be filled.

Air bubbles in main tank, water overflow overnight.


Any ideas?

//edit


All fish are accounted for....and the only culprit could be a turbo snail that got into somewhere he shouldn't.


So if the 2nd and 3rd chambers in the back are being depleted of water more rapidly than they can fill up.....logic would state that there is a blockage in the 1st chamber?