darkoon;57077 said:saw this on a website, a DIY CO2 diffuser using RO filter housing. pretty easy to make and safer than other DIY diffusers out there IMO.
hbosman;57078 said:That's what is sometimes referred to as a "Cerge" reactor. Named after a person who posted about it awhile back. It is rather efficient in dissolving CO2 as long as the water flow isn't too strong or, the CO2 bubbles will blow right through it.