What is it??

[Overland04]

it's been growing for months and its harmless...i think

 

[Michael7979]

Do a search on 'snake polyps' I believe.

 

[Overland04]

Woohoo, it looks like they actually sell these things! free harmless hitch hikers. Thanks for the input.

 

[x1crt]

those have been growing in my tank too

 

[shawnkfl]

keep an eye on 'em...they can/will grow FAST and everywhere.

 

[Paintbug]

that is a calcium based algae called Neomeris sp.