View Single Post
Old 06-15-2006, 07:43 PM   #9 (permalink)
Edward
Moderator
 
Edward's Avatar
 
Join Date: May 2004
Location: at home
Posts: 2,019
iTrader Ratings: 0
Edward is a valuable member of the communityEdward is a valuable member of the community
Plant Points: 103005
Default

Look how long it takes to change the CO2 concentration. CO2 on a light timer must produce long time delays and large pH swings.
Edward is offline   Reply With Quote