Question Of bulb colors T5 HO - The Planted Tank Forum
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post #1 of 1 (permalink) Old 12-06-2014, 12:34 PM Thread Starter
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Question Of bulb colors T5 HO

I have a 30 gal frag rimless its only 10 inches Tall and i have 2 bulbs going one red and one blue was wondering if 2 blue would be better or is one red and one blue better.The red bulb is 3000k and the blue one is 6400k and even tho when i put 2 6400k bulbs in there it seems darker in the tank that it does with one red and one blue even tho the k rating is less than half of the blue bulb also looks more natural . My question is that of what is better for plant growth both red and blue spectrums or just all blue.

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