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is it normal for my di water ph to drop below 6 and still have good resistivity? i have a regular di water generator that uses standard cation and anion resins. after regeneration the ph is around 9 and the resistivity is around 3 meg ohms. as i run water through it the resistivity drops and so...

does anyone know how to convert 208v 3 phase 60hz to 50 hz?

try <A HREF="http://www.epa.gov&nbsp" TARGET="_new">www.epa.gov&nbsp</A>;&nbsp;or you can search for some of those environmentalist's sites such as sierra club or greenpeace.&nbsp;&nbsp;the epa site will only be moderately biased in their opinions while the environmentalists' sites will contain...