11-23-2007, 04:29 PM
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There are other options like FishAddict99 stated. They are however less reliable than DIY and often wind up costing a lot more to keep them running and to keep levels high enough to prevent algae. Again, there are ways to make them work if you have the time and patience.
As for DIY CO2, it is pretty easy. All it takes is the bottles, some airline tubing, some yeast and sugar, a couple check valves and some silicone or plumbers pipe tape to make sure it is all sealed air tight. The hard part is keeping the jugs at a steady temperature so they produce enough to keep the levels high enough. If I had DIY right now I owuld have to have another tnak set up to maintain the bottles as my house is terribly under insulated and the front room gets down to 68F in the winter. In the summer it works great, almost too well but winter I get terrible algae blooms and the CO2 seems to make things worse.
I will see if there is a diagram in the DIY section, if not, I will draw one up to show the easiest way to do it.
If you do decide to get the Jungle plant care CO2 factory, the diffusor is fairly good but putting the exit near the intake of your HOB filter or the intake of a Canister filter will help to make sure all the CO2 is dissolved and you get the best levels possible with such units.