Thread: Ultra low range phosphate
View Single Post
  #3  
Old 08-14-2010, 10:54 AM
MitchM's Avatar
MitchM MitchM is offline
Member
  
Join Date: Mar 2002
Location: Water Valley, AB
Posts: 1,280
MitchM is on a distinguished road
Default
Quote:
Originally Posted by ultreef View Post
.... and not sure if ppb is the same as ppm....

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.
Reply With Quote