The Planted Tank Forum - View Single Post - Crazy idea - Planted tank WITHOUT light !
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post #16 of (permalink) Old 08-30-2006, 03:26 AM
Algae Grower
Join Date: Mar 2006
Location: USA
Posts: 14
From what I've seen and heard from others, most of those 'solar tubes' don't focus light on a point or direction. They are basically more efficient sky lights, but I still think you're going to have a hell of time aiming it to hit the tank for more than an hour or so.

If you really want to control natural light, look into fiber optics. you can solar colectors, which kind of look like small satellite dishes, and pipe natural light anywhere in your house.
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