Bumpy tips on Hawkins Echinata

[Wilsoni]

Does anybody happen to know what would cause the tips of my Hawkins to be bumpy? They've slowly developed over the past few months. I've dipped it twice and can't find any sign of pests and or bite marks.

Abnormal growth pattern?

 

[Sabellafella]

This is hyperplasia, now i have no idea if its bad but it usually winds up on smoother acropora. Its not necessary as a bad thing because ive had it plenty of times that came and went. But on the otherhand it does mess up the growth pattern of the acro

 

[Sabellafella]

Give balloon/bubble tips on acropora a google. Theres alot of threads everywere on this and to be honest i think im one of them somewere lolol