The Planted Tank Forum - View Single Post - Is my lighting low/med/high?
View Single Post
post #6 of (permalink) Old 01-30-2013, 05:15 PM
Obsessed? Maybe
somewhatshocked's Avatar
PTrader: (472/100%)
Join Date: Aug 2011
Location: Louisville, KY
Posts: 12,031
Please note that the number of watts doesn't determine your light level.

It's based on PAR - typically more the lesser the distance between substrate and fixture.

Here's a thread that should help you greatly: Lighting an Aquarium with PAR instead of Watts
somewhatshocked is offline  
For the best viewing experience please update your browser to Google Chrome