I'll have to emty the unit and check the media. I'm not sure how old the media is as I bought it with it in the unit - maybe a year and a bit ? The pump draws from the top of the main chamber so as soon as that air pocket gets there the pump quits drawing.
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Originally Posted by Delphinus
How old is the media? It might not actually be a leak (well, it could be, but not necessarily). It could also be that the media is starting to compact and the pump is unable to recirculate - thus in the area of low pressure (suction side of the pump) the bubble forms and grows. I find if I let my media go too long I get this phenomenon. It's really hard on your pump too BTW.
Also I'm curious how you have your reactor fed? Typically the effluent rate should not be affected by a bubble in the recirc chamber. That's another reason I'm thinking it may be media clogging...
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Mike
150g reef, 55g sump, T5's, Vertech 200A, Profilux III - German made is highly over rated, should just say Gerpan made.
Reefkeeper - individual obsessed with placing disturbing amounts of electricity and seawater in close proximity for the purpose of maintaining live coral reef organisms.
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