Nano Tank Ulva Algae Problem

[KTinner]

I have a 15g nano reef tank with a lawnmower blenny, cerith snail, and blue leg hermits for cuc. I’m having a decent Ulva outbreak on my higher rocks, and neither my blenny or hermits seem interested in eating it. Any suggestions on possible additions?

 

[Saltyreef]

I have a 15g nano reef tank with a lawnmower blenny, cerith snail, and blue leg hermits for cuc. I’m having a decent Ulva outbreak on my higher rocks, and neither my blenny or hermits seem interested in eating it. Any suggestions on possible additions?

Tweezers. Ulva is one of the worst invaders once it gets into your display. Not much eats it in the realm of nano fish.