mattv Posted June 1, 2010 Share Posted June 1, 2010 Does anyone know what be causing me to get micro bubbles in my tank? I just last weekend got my filter system going in the basement. The refugium has the water well above the return pump intake, there is a few bubbles that are formed as the water overflows into the discharge side of the refugium but not alot. Any ideas would be great! Thanks mattv Quote Link to comment Share on other sites More sharing options...
Lowman Posted June 1, 2010 Share Posted June 1, 2010 Your return lines could have air trapped in them. Especially if you have any elbows in them. Quote Link to comment Share on other sites More sharing options...
grassi Posted June 1, 2010 Share Posted June 1, 2010 Flexible tubing or rigid (pvc)? How old is the tank? Quote Link to comment Share on other sites More sharing options...
newfisher Posted June 1, 2010 Share Posted June 1, 2010 Ditto. Block the lower ends and fill the pipes with tank water to purge them. Pull the impeller at the return pump and look for a broken blade or cracks? If you can't pull it, build a simple closed loop set up for it with some clear tube and look for bubbles at the exit side. Quote Link to comment Share on other sites More sharing options...
mattv Posted June 1, 2010 Author Share Posted June 1, 2010 I have a combination of vinyl and pvc. It looks to be slowing down so I assume that if it is trapped air it will purge it self over time? Grassi, the tank is new to me. Quote Link to comment Share on other sites More sharing options...
grassi Posted June 1, 2010 Share Posted June 1, 2010 New tanks tend to produce bubbles for a while. Mostly for decomposition of organic material and for the fact that you need to build up some thin algae layer in your system, including plumbing. That said you should check both your return and overflow. As for return if you have water in the sump you should be ok. Unless your pump is running chocked and it can create some weird vacuum effects. Check for leaks with the pump switched off. You can then limit the bubbles from your overflow adding a T pvc fitting at the end of the pipe, in a way that it is half way submerged. Play a little with the setup. Also you should put a couple of baffless in the sump in case isn't long enough compared to your water flow. If you have a sump-refugium, the macro algae are gonna do the job as soon as they mature a little. Quote Link to comment Share on other sites More sharing options...
ReeFit Posted June 2, 2010 Share Posted June 2, 2010 Do you have a skimmer? Mine puts micro bubbles out when it's got a heavy load Quote Link to comment Share on other sites More sharing options...
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