Mar 3, 2007 #1 U undbulsu Aquarium Advice Apprentice Joined Jan 25, 2005 Messages 36 Location Lexington, KY I have lost my manual and can't remember if each drop should be multiplied by 10 or 20 to get the ppm.
I have lost my manual and can't remember if each drop should be multiplied by 10 or 20 to get the ppm.
Mar 3, 2007 #2 Purrbox Aquarium Advice Addict Joined Jun 23, 2005 Messages 5,860 Location Iowa USA You multiply KH by 10 and GH by 20 to get the test results in ppm.
Mar 3, 2007 #3 OP OP U undbulsu Aquarium Advice Apprentice Joined Jan 25, 2005 Messages 36 Location Lexington, KY Thank you very much