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I am wondering what everyone's opinion is on the best light tubes for plants. I want bulbs that will give plants the edge on algae. Is there a certain color temp. or model of bulb that is better?

I know from my own experience that actinics are great for growing green algae.

I can pick up some Phillips Aquarelle bulbs for a good price. What is your opinion on these? Should I get 6500 or 10,000k? What about a standard GE 6500k?

I have a low light setup with Jave Fern and Anubias.
 

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aulonochromis said:
Is there a certain color temp. or model of bulb that is better?
There are bulbs with spectral distributions that conform better to a general photosynthesis action spectrum. Those bulbs triggers a lot of photosynthesis (growth) with minimal wattage. These bulbs have a high PUR-efficiency:
http://www.aquabotanic.com/lightcompare.htm

Both plants and algae have chlorophyll so those bulbs growing plants efficienctly will also grow algae.

Happy plants means less algae.

I can pick up some Phillips Aquarelle bulbs for a good price. What is your opinion on these?
Very high PUR-efficiency. I use them alot. Almost the same as Interpret Triton and Sylvania Aquastar.
 
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