mark7616 potatoes Joined Feb 23, 2006 Messages 2,565 Reaction score 0 Location Harlow, Essex Mar 9, 2006 #1 is mg/L on a test kit the same as ppm???
Bloo ~ I learn something new ~ ~~~~ every day ~~~~ Joined Mar 31, 2005 Messages 9,085 Reaction score 1 Location Norfolk, UK Mar 9, 2006 #2 Yes