Hoppy's PAR thread is under Lighting, and is one of the stickies under Lighting Articles and FAQ" and then, "Lighting with Par instead of Watts"
Lighting an Aquarium with PAR instead of Watts
The charts really helped...wow I have a lot to learn!
"Adopt the pace of nature; her secret is patience." ~ Ralph Waldo Emerson
Last edited by Saxtonhill; 01-15-2013 at 10:05 AM.
Reason: having trouble with computer...sorry