Tank in direct sunlight? - The Planted Tank Forum
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post #1 of 7 (permalink) Old 06-15-2014, 12:56 PM Thread Starter
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Question Tank in direct sunlight?

I keep my planted tank in direct sunlight to help my plants grow, but I don't know if that is necessarily a good idea. Is it safe to keep my tank in direct sunlight? I have 2 red-eyed tetras and to ostonoculis (or however you spell it) in this tank. Thanks in advance!
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post #2 of 7 (permalink) Old 06-15-2014, 01:34 PM
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Watch the temperature. I found that my tanks got too warm when they were in south or west windows. A sheer curtain was enough to keep them cooler.
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post #3 of 7 (permalink) Old 06-15-2014, 01:36 PM
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I used to have a sun tank. Only have sun for a few hours either in the morning or evening.
You're more likely to get algae than anything. Use a curtain to diffuse the light.
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post #4 of 7 (permalink) Old 06-15-2014, 03:25 PM
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I put a grow tank in the sun to hasten growth and the amount of algae was staggering. It got so bad 80% water changes were good for 2 days. As MisterGreen said, a few hours goes a long way ;-)
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post #5 of 7 (permalink) Old 06-15-2014, 04:22 PM Thread Starter
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Thanks! Yeah, I have A LOT of algae.
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post #6 of 7 (permalink) Old 06-16-2014, 11:35 PM
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I had several tanks in direct sun. To help with the algae I wrapped the back and sides with black cardboard and only the front was open so I could see inside. It's not so bad if direct light comes down on it, but direct into the windows seems to make algae.
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post #7 of 7 (permalink) Old 06-17-2014, 03:48 PM
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Yeah, the best feature is to grow algae, but you have to watch the temps. I used to keep a SW tank in direct sun and had hair algae like crazy. Once the entire back had a 3" carpet of green hair algae, I got my Yellow tang I always wanted and he kept it down to 1/4" at all times. Free food and he was grazing allllll day. I would do it again but have a TON of Otocinclus.

125g semi planted. 2 silver angels, 14 silver tips, 16 white fin ornatus tetras, pair of Nicaraguense, pair of nototus severums, trio of firemouth cichlids. 2 FX5s, 1 1500gph circ pump, 2 48" LED lighs, and a HUGE piece of driftwood.

650g fish room. 15 30g tanks, 150g sump.
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