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Will the light be sitting on the tank? If so even T5HO could end up being too much light depending on what fixture you will be using and how many bulbs. But yeah, SHO provides some of the most extreme PAR ratings.
PAR is the correct way on how to measure how much light you have as if you have 30 PAR at the substrate and so does someone else does but they have different lighting it is the same thing as distance from the fixture to the substrate, bulbs, and fixtures will usually vary with everyone. Saying 30 watts means anything, 30 watts or like 2 wpg with T8 is so much different then the same but with something like SHO even T5HO.
You would be way better off with T5HO lighting if you must, two bulbs and you may still run into algae in a low tech tank though, you may need to get more floating plants to block some light, dose more ferts, and possibly some other stuff.
What is the dimensions of this tank?
xJenuhfur Lighting is not that bad when you are somewhat use to other plant enthusiasts that have hundreds of fixtures lighting their tank. I am like a novice/intermediate by their standards lol.
Last edited by kfryman; 01-01-2013 at 11:42 PM.
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