My glass diffuser doesn't seem to be working...

don't many of the bell type glass diffusers work similar to our drop checkers?
contact with water.
pull it out and see if anything is passing thru the diffuser(air/water etc)
 
don't many of the bell type glass diffusers work similar to our drop checkers?
contact with water.
pull it out and see if anything is passing thru the diffuser(air/water etc)
I don't understand what you are trying to get at.

In a glass diffuser, the gas (CO2) needs to be passed through the sintered glass diffuser disk. This requires pressure.

In a drop checker (the ones I've seen), the drop checker fluid is not in direct contact with the aquarium water. Dissolved CO2 gas is caught in the "bell" of the drop checker, which changes the pH of the drop checker fluid inside.
 
^ true but it's often the case that DIY just can't put out the pressure required for a glass diffuser to work.

bingo!!
You really need alot of pressure to get past the ceramic disk.

Also if its new it may be clogged and in order to clear it you can soak it in a bleach solution for a few hours.
 
I had trouble with my glass and diy CO2 - bought the $32 simple paintball canister from thatfishplace.com a $20 24oz paintball canister at sham- I mean-Wal-Mart and get it filled evry six weeks for $4. Has been worth the $$, it has been a whole lot easier to regulate, important since it's in my Discus tank
 
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