Hello Instructables, Tarek here. It is my first instructable please consider this fact. This is a project that I needed to do for my fish tank. I have a tank which is nicely cycled, aired and lit. But the problem is the duration of light which must simulate the natural lighting condition to ensure a...By: TarekH1
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from Instructables: exploring - technology - robots http://ift.tt/1C8JT2u
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