I guess I should have been more specific initially. Go to the Freshwater DIY section (drop down/up list at bottom right of screen) or try here at Plants forum and search for DIY Reactor and/or CO2 reactor for more ideas.
For starters, here is mine...
http://community.webshots.com/photo/66733948/209978429RguQNZ
Small pump pushing water down through a Flourish bottle. Water flows down, CO2 is bubbled in at the bottom. A few bio-balls/sponge help break up the bubbles.
HTH
For starters, here is mine...
http://community.webshots.com/photo/66733948/209978429RguQNZ
Small pump pushing water down through a Flourish bottle. Water flows down, CO2 is bubbled in at the bottom. A few bio-balls/sponge help break up the bubbles.
HTH
