ive also got cheap carbon filter plans as well if anyones interested
REG Reviewed by REG on . new co2 enricment method hi, ive discovered a new cheap way to get measured amounts to your garden,it uses one of those electric air freshners that take the small areosol cans of freshner and can be set to go off a timed intervals,all you need to do is get some small cans of neat co2 that fit or with a little adjustment made to fit in the unit and bobs your uncle regulated co2 for a tenner,the areosols i found were being used to clean camera lenses as you cant use any solvents its basicaly an areosol which only Rating: 5