Thread: Is it about time to change the T5 light bulbs? Par meter readings
View Single Post
Unread 05/20/2009, 06:14 PM   #4
kangym
Registered Member
 
Join Date: Feb 2005
Location: CA
Posts: 348

The number on the top of the tank is par readings the center of light fixture at water level


kangym is offline   Reply With Quote