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Cannonbolt 05-07-2013 01:11 AM

Diffuser under intake
My diffuser is located under the intake of my HOB filter - I thought the impeller would help break up bubbles and better distribute the CO2 to the whole tank. I have charcoal in my filter...that doesn't affect the CO2 does it?

82nd_Airborne 05-07-2013 04:38 AM

No it does not affect co2.

thinBear 05-07-2013 05:09 AM

I think charcoal is not needed for planted tank.
A healthy plant growth = balance of light, CO2 and fertilizer; the charcoal will absorb fertilizer you add as well

Cannonbolt 05-09-2013 02:25 PM


Originally Posted by thinBear (Post 3309354)
the charcoal will absorb fertilizer you add as well


NWA-Planted 05-09-2013 02:46 PM

Re: Diffuser under intake

Originally Posted by Cannonbolt (Post 3327938)


Sent from my SCH-I535 using Tapatalk 2

jbrady33 05-09-2013 02:59 PM

I took out all my charcoal and filled the space left with media, haven't noticed any difference in water quality or clarity. One less thing to buy.

I do run purigen though, just no carbon. Regen the purigen every few months, probably not often enough - which tells me it probably isn't really needed either :)

pelicanincident 05-09-2013 05:48 PM

Take out the charcoal.

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