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#1
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![]() ppb is parts per billion, ppm is parts per million (units of proportion) 10 ppm = 10,000 ppb Mitch Last edited by MitchM; 08-14-2010 at 11:00 AM. |
#2
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![]() Hanna states the accuracy is 10 ppb, which is 0.01 ppm
http://hannachecker.com/manuals/Phosphorus.pdf The unit is pretty cheap @ around $60.00, so I ordered one from goreef.com (a Canadian outfit, so you don't have to worry about customs brokers etc..)
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180 gal tank, 50 gal sump, PM RFCa6 Ca Reactor, SWC Extreme 250 1A Cone Skimmer, Tunz Osmolator ATOF, Aquacontroller Apex, Aquaillumination Sol Super Blue 6 x 75w Units, Acros/Softies/LPS/Mushrooms/Zoos, Purple/Powder Blue/Yellow Tang/3xBlue Chromis/2xTomato Clown/Lawnmower Blenny |
#3
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![]() There is also one for phosphate. Didn't know there was one for Phosphorus as well.
http://hannachecker.com/manuals/Phosphate.pdf |