The Planted Tank Forum - View Single Post - DIY Cree XML LED Lighting for 150G
View Single Post
Old 03-26-2012, 07:48 PM   #2
Hoppy
Planted Tank Guru
 
Hoppy's Avatar
 
PTrader: (74/100%)
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 18,792
Default

Those aluminum extrusions sure make a neat looking LED light. Beautiful job. Based on my data and on http://www.plantedtank.net/forums/di...-tank-led.html I think you get about 40 micromols of PAR at the substrate, with 3 inches of substrate in the tank. That is a great light level to use.
__________________
Hoppy
Hoppy is online now   Reply With Quote