out of control macro

Avian

New member
I have some caulerpa growing all over my rocks. I try to remove it but it seems to be growing in the tiniest crevices in the rock. I use a toothbrush to brush some of it off, but it just grows back.

The tank is 55g and I run a ~5g refugium, which is lit 24/7. I have done consistant 10% water changes ever two weeks and use phosphate remover,located in a mesh bag in the sump.

The lighting is dual 150w 10k HQI, usuing coralife bulbs. The bulbs need to be replaced soon.

Is there anything else that I can do to remove this macroalgae? Maybe a fish that eats it or another method? Thanks.
 
reduce light for your refugium. 8 hours dark and 16 hours light should do the trick. most if not all plants grow at night and collect energy in the day.
 
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