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Animal982 · 09-12-2003, 03:58 PM

I dont understand why you would need the 30RZT over the 20RZT. From looking at the graph posted in the Iwaki pump discussion of OCAU the 30 RZT will generate roughly 90W compared to the 20RZT's 50W. Are you really going to need more than the 22 feet of head the 20 RZT gives? Its true that with a bong cooler this isnt going to affect water temps that much but you'll be spending the extra money for the electricity when really I dont think you need to.

09-12-2003, 03:58 PM	#13
Animal982 Cooling Neophyte Join Date: Feb 2003 Location: PA Posts: 10	I dont understand why you would need the 30RZT over the 20RZT. From looking at the graph posted in the Iwaki pump discussion of OCAU the 30 RZT will generate roughly 90W compared to the 20RZT's 50W. Are you really going to need more than the 22 feet of head the 20 RZT gives? Its true that with a bong cooler this isnt going to affect water temps that much but you'll be spending the extra money for the electricity when really I dont think you need to.