Gordonrichards

I recently purchased a t5 dual-lamp fixture, 2x24 watts.

The fixture came with a 6000k lamp, as well as a roseate bulb.

Should I ditch the roseate bulb and go with a Life-Glo 6700k?

Tank is planted. Please let me know light-gods!

Seattle_Aquarist

Hi Gordonrichards,

I just did a quick search on the roseate bulb and it is supposed to provide light in the spectrum that plants can utilize. Why not try it for a while and see how it works?

Philosophos

Do what looks good first, worry about spectrum later. At worst you add a little more light if you're doing something that has a heavy 550-560nm spike, though most fixtures are over-watted monsters anyhow.

-Philosophos

armedbiggiet

6000 or 6700k, your cant even tell the difference, I would do what Roy said use it first!!! Try it untill you think that bulb does not work for you any more.

nellis

Really? I've always liked the look of mid-range bulbs better... the jump from 6700k to 6000k may not be huge, but to 5500k you get a very noticeable increase in warmth. It also depends on what plants you have too, for example, plants with a deep, dark green like anubias look better with a warmer bulb, and tend to get kind of bluish with 6700k bulbs (IMHO).