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#3
05-01-2011, 01:20 AM
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do you think the efficiency could have something to do with how cold our water is? This company is promising 1:2 ratio on their cold water rated membranes;
http://reefbuilders.com/2011/04/07/g...old-membranes/ I just put my hand in a bucket of cold water from the tap for 5 seconds to adjust a heater and my hand started to get numb. Most of us have good pressure - but Canadian water is frigid! 
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