Refugium

[j_j_]

Can you just use a regular light to grow macroalgae or do you need compacts?

 

[brazilian]

i use a 13 watts pc... work well.

 

[johnr2604]

In reality you just need any type of growlight the PC's just are the best choice. The bulb has to be certain color spectrum in the 5-6k range for better growth.

 

[seedless reefer]

 

[strapingyunglad]

I just use normal output flourescent tubes.