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**kevmo911** · 12-07-2012, 01:03 AM

Turn off solenoid.
Remove bubble counter and attached tubing.
Open needle valve all the way.
Increase working pressure to 50 psi or so.
Turn solenoid on and off, quickly, several times.
Put everything back to normal and test.

12-07-2012, 01:03 AM	#5
kevmo911 Planted Tank Guru (View User Tanks) PTrader: (32/100%) Join Date: Sep 2010 Location: Greensboro, NC Posts: 3,750	Turn off solenoid. Remove bubble counter and attached tubing. Open needle valve all the way. Increase working pressure to 50 psi or so. Turn solenoid on and off, quickly, several times. Put everything back to normal and test.