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john fox · January 13th, 2013, 10:15 PM

Ijust looked at a utube video and the drops are counted in degrees so if u use 2 drops and the h20 goes from blue to yellow that is 2 degrees or 16 ppm
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January 13th, 2013, 10:15 PM	#4
john fox Junior Member Join Date: Jan 2010 Location: bklyn Posts: 331 Rep Power: 31	Ijust looked at a utube video and the drops are counted in degrees so if u use 2 drops and the h20 goes from blue to yellow that is 2 degrees or 16 ppm 👻👻