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Hi All,

I have a 40 breeder with a GLA co2 diffuser, the biggest one 85mm with a check valve. I have the bubbles going in to the Fluval 306 intake. It running at 2 bubbles per second and takes 5 hours to get the PH to drop. Any suggestions to make it quicker? P.S I miss the old forum layout. Thanks for the info Darkblade48. Yea using a Milwaukee prob.
 

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Are you measuring the pH drop using a pH probe? It should not take 5 hours to get a measurement.

Regarding the forum layout, you can always switch it back to classic view, if that is what you prefer. To do so:

User CP (top left hand corner) > Under Settings and Options > Edit Options > Miscellaneous Options > From the drop down menu, select PlantedTank.net (Classic)
 

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Thanks Anthony!

In addition to the Fluval 306, I also am running a Hydor 550 circulation pump. The water surface rolls like a river in certain spots.
Well this is part of your problem. The more surface agitation you have the higher the gas exchange is. I would start by decreasing the surface agitation and see what happens. If this doesn't help you will most likely need to turn up the co2.
 
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