Neat way to get CO2 into the system
I rigged up dual 3ltr bottles as a DIY Co2 tank for my 210, this is an old saltwater tank so it is drilled and has a sump with return pump. What I thought would be a good way to get the co2 into the system was to place the end of the airline tube and the opening into my pump (Rio 2500).
This has turned out even better than I thought, my return pump hooks to a 5 foot long 1/2inch PVC spraybar that runs horizontally across the tank, about half of each co2 bubble exits the spray bar in a burst of micro bubbles. The remainder stays INSIDE the spray bar with water running past it, after I ran it for awhile I noticed occasional sprays of bubbles exiting from the very farthest hole in the spraybar, the initial burts where at the exits closest to the pump.
I am guessing that by trapping the CO2 in the spraybar and having a constant flow of water over the bubbles I will get pretty good return on my bubbles.
I know DIY Co2 is inefficient on big tanks (mine being a 210) but if I see any good results from this it will help sell me on going pressurized. Its a low light tank so not a whole lot of extra CO2 is needed
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Member # 64
90 Gallon Low light/Easy Maintenance