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Old 12-09-2016, 11:21 PM
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G.Alexander G.Alexander ثeu
Join Date: Jan 2005
Posts: 34,295

Please also check / measure the flow through your ZeoVit reactor by collecting the water from the reactor outlet for 30 seconds, multiply the volume by 120 and you will get the output per hour.

I have never had issues like this with korallenzucht carbon so I expect the grotech carbon is a different kind but it might indeed be the carbon. If you like to use it furthermore just use 25% of the recommended quantity and add it again in about one week.

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