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CO2/ Diffuser not working! please help.

The needle valve on this set up is the bit under the bubble counter with the dial you tighten or loosen to control the bubble rate. BTW I have two of these fed from one reg and they haven't leaked yet! All I did was seal the threads on them with PTFE tape and tighten them up fully. I like the compact nature of the whole set up.
 
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The bubble counter used to go where the airline connects to the needle valve.
 
What you have labelled as the 'Knob to adjust pressure' is actually fixed on Aquatic Magic regulators. Moving this can break a seal and cause a leak, so don't adjust it!!!! The regs are pre set at the right pressure.
 
altaaffe said:
aaronnorth said:
It is working agin, i changed the pipe. I still checked over the existing pipe to make sure but i couldnt find any cracks etc. :?

Good to hear, had it gone brittle at all ?

No, it wasn't that old either (5 months approx) and it was proper CO2 tubing
 
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