what kind of light for refugium

I have cheato in my fuge but won,t grow so i am guessing i dont have the right light. Right now i have a clip on work light with a one of those every day twisty looking bulbs. What do you use?

 

From what I read you need a 6500K - 8000K bulb. The energy saving bulbs will not substitute.

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I use a cfl daylight bulb rated at 6000k in a Home Depot clip on reflector and I get good growth on an opposite display tank lighting schedule.

 

I typically use the same with decent growth also.

 

I use a couple Ace Hardware brand 13w power compacts. I think they are 7k or so. They work great. I have heard good things about the twisty types too but I already had a power compact retro. I did see a 7k twisty after some digging at Ace. Ace bulbs are cheap and work well!

 

6500K power compact work great and are the way to go. The twisty kind are great.

 

Here's what I use along with a round aluminum clip on fixture that I bought at Lowes.