The Planted Tank Forum - View Single Post - DIY CO2 for beginner
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post #19 of (permalink) Old 01-10-2013, 02:05 AM
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Join Date: Nov 2010
Location: Tampa, Florida
Posts: 124
Originally Posted by bennyjam View Post
Duffusing through an my hob filter but I feel like it could be better.
When injecting CO2, you really shouldn't be running a HOB filter because it causes turbulence at the surface which will strip the CO2 back out of the water. For large tanks, canister filters are preferred with the outflow being aimed to not disturb the surface too much, while internal filters are good for small tanks.
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