I'm setting up my sump and refugium. I'll buy a clap lamp for my refugium light, however I'm not sure what kind of bulb I need.
Any ideas? or is there a better option other than a clap lamp?
does simply using a clip on light from HD with the 50/50 bulb work...i tried it and all my chaeto disappeared and i def have NOs so that wasnt my prob..lol
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