Quote:
Originally Posted by ZooTycoonMaster
How's that work?
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Water turbulence and water splash from the HOB filter will cause the CO2 to be outgassed very rapidly. Unless you have pressurized CO2 where you can crank it up easily, it will be very hard to maintain optimal levels of CO2 with such a filter.
If you're doing DIY CO2, you can try 2x 3L bottles to see if it can keep up with CO2 loss via the filter, but I haven't done it myself so I can't say.