round transparent bubble on the aro head-what is that?

[dragonkeys]

Hi bros

when i first got my PG, i notice this issue , when ask the LFS , they say may be a scale because it hit the tank

after a while it disappear, then today , i saw it again

it normally grown on the head, small transparent bubble , unlike before , this one is slighly bigger

i search the web and could not find anything that can discribe it , saw some thread mention abt pimple , any one have a picture of a pimple , may be i can see if it this similar

hope to hear positive reply from fellow bros here

[dragonkeys]

Hi bros

I do not know how to post pic yet , but i did manage to get a pic of that bubble thing on my aro and have it on my gallery

can any bros be kind enuf to help put the pic on the main posting

I hope expert out there can help me to identify this thing

[dragonkeys]

It burst last night , i think

sad, can any bro identify and help