07-01-2009, 10:02 PM
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#10 (permalink)
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Planted Tank Guru
Join Date: Nov 2003
Location: Burlington, NC
Posts: 4,847
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I've ran mine empty with pH controllers and I have ran them empty with dual stage regulators. No problems for me.
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EHEIM PIMP #164  Classic 2011, Classic 2213, Classic 2217, ECCO 2236, Pro II 2028, Liberty 2040, Liberty 2042
VICTOR PIMP #1  VTS253A-1993, VTS250B-580, VTS253D-320, HPT500-40-350-4M, SGT500-40-4F-DK
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