Current USA Lighting Sizing Chart

Philosophos

Lifetime Charter Member
Lifetime Member
Mar 12, 2009
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Now we just need to get them to put out a PAR chart for 1-3 in. of black or brown substrate in standard sized tanks. I think it's worth raising a stink until someone listens, rather than having TFH or VaughnH/Hoppy pop out the odd article.

-Philosophos