View Single Post
  #4  
Old 12-28-2010, 09:24 PM
randallino's Avatar
randallino randallino is offline
Member
 
Join Date: Dec 2007
Location: Van
Posts: 135
randallino is on a distinguished road
Default

If you test the water coming out of the GFO reactor and compare it to the tank water you get a pretty good idea when it is time to change the medium. I have a Hanna meter also, I love it now to get a nitrate meter.
__________________
Randall
Reply With Quote