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Old 05-22-2013, 09:50 AM   #2191
Darkblade48
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I am unsure what needle valve you are using, but most needle valves are not designed for operation under fully closed conditions.

Doing so may inadvertently damage your needle valve.
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
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