The Planted Tank Forum - View Single Post - Surface skimmer and filter for plants
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Old 11-26-2011, 09:55 PM   #5
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u can lose a lot of CO2 in surface skimming.

i reciently added a sponge on the bottom of my intake, and it made more water get pulled though the top skim.

This made me lose a LOT of CO2!! no im not kidding... my mix max reactor was having problems keeping it in the lime green with 2 bps on a 10 gallon tank.

if u use one.. make the surface skimming very minimal..
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