I generally use a bell shaped glass diffuser for co2, however i often experience clogging in the white ceramic piece and/or the cracking of the fragile glass... Having to again replace it today, I chose to jerry rig a wooden airstone that produces extremely fine bubbles to the co2 line instead - and place this wood airstone immediately beneath the intake fan of a powerhead. Does this set-up reduce the effectiveness of co2 injection and should I return to old glass diffusers? Or am I ok with this, possibly better off, now that the co2 is better spread throughout the tank and eventually spread towards the entire water's surface....? I didn't do too hot in chemistry, so just guessing as usual here.... Thanks in advance... -mike