What is it?

[Johnhunterwork84]

These little pod looking things have been on my hammer....i don't know what it is. Any insight would be great.

 

[Sharkbait19]

Pineapple sponge. Good filter feeders.

 

[N.Sreefer]

Looks like a pineapple sponge they're harmless filter feeders. Normally they start to go away as a tank matures.

 

[Gtinnel]

Yep harmless pineapple sponges. Common in new tanks and will normally go away on their own.

 

[Johnhunterwork84]

What's a filter feeder? Sorry I'm still at behind the ears.

 

[Jivatma]

What's a filter feeder? Sorry I'm still at behind the ears.

A filter feeder is something that feeds on microparticles within the water column. They have no mouth so they more or less 'absorb' nutrients. In a nut shell