Strange polyps?

[zach_jb69]

Have these strange white/ translucent polyps growing on my frogspawn. Can anyone identify?

 

[randomfishdude]

Looks like pineapple sponges?

 

[DED65]

Good filter feeders.

 

[Sophie"s mom]

Looks like pineapple sponges?

Second this

 

[kevgib67]

Usually appear in a new tank and then go away on their own.

 

[zach_jb69]

Have these strange white/ translucent polyps growing on my frogspawn. Can anyone identify?

I have another picture that’s better,

 

[dwinston33]

mainly due to water quality, and water reactions, will go away after sometime.

 

[TX_REEF]

I have another picture that’s better,

yep pineapple sponges as others mentioned - no cause for concern