They just showed up

[IotaElwyn]

All over my refugium....tell me they are good

 

[reef heaven]

Pineapple sponges. Filter feeders. Harmless

 

[Reefing Madness]

Yup, no worries, they aren't going to harm anything, and usually aren't around very long.

 

[IotaElwyn]

Thanks !

 

[SantaMonica]

Ah... I though he was asking about the greens on the left.

 

[IotaElwyn]

Oh I'd love to know what the little green ones are as well if anyone knows

 

[ManOfSalt]

looks like Caulerpa to me.

 

[Acro]

The white ones are def pineapple sponges, you should see my sump and how many I have! Lol