Eheim wet dry and an external reactor
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Old 05-02-2004, 05:45 PM   #1
Algae Grower
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Will an eheim 2229 or 2227 wet/dry filter work well with an external co2 reactor placed on the output side? I have reservations due to the surging water going through the output and wonder if the output hose actually empties inbetween cyclrs. This could cause a build up of undisolved co2 causing minor ph spikes if I am thinking correctly. Maybe a 2126 or a 2128 would be a better idea? Thanks for any input.
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Old 05-03-2004, 07:26 PM   #2
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Eheim wet/dry filters are *designed* to exchange CO2 for oxygen and are therefore not the best choice for a planted tank. I'm not sure how even the flow is on the wet/dry filters but that is irrelevant becuase of the CO2 displacement.. you would be better off going with a regular canister.
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Old 05-03-2004, 07:54 PM   #3
George Willms
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eq is correct. You will in effect be defeating the purpose of injecting co2 by going with the wet dry filter. The 2126 or 2128 would be a better choice for you.
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Old 05-04-2004, 12:21 AM   #4
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Or you can inject the CO2 directly into the filter via the breather tube and not use a reactor. Quite a few people do this with great results.
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