The Planted Tank Forum - View Single Post - DIY CO2 ,does airstone need to be on bottom of tank
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post #9 of (permalink) Old 12-22-2012, 10:26 AM Thread Starter
Planted Tank Obsessed
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Join Date: Aug 2007
Location: Miami
Posts: 496
Originally Posted by laqu View Post
okay dumb question why not just put the line into the intake and out the return (spray bar under water)?

Yes ,that would be what I would do but wiuth this particular filter the spray bar must be above water and it sprays the water down so if I pumped in the CO2 via the intake tube I would lose the CO2 as the water splashed .
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