what the heck are these

[cclarky]

Hi can anyone I’d these please they are in the back of my Red Sea 260 sump

 

[reeferguy3303]

pineapple sponges, harmless filter feeders

 

[EeyoreIsMySpiritAnimal]

Hi can anyone I’d these please they are in the back of my Red Sea 260 sump

This may help you going forward...

What is that!! A R2R guide to common new tank hitchhikers.

One of the greatest things about starting a reef tank is getting your live rock in and admiring all the diversity within it. The rock comes to life different creatures. This is a guide that I, along with a very well known critter identifier @KJ , have put together for the new reefer on what...

www.reef2reef.com

 

[cclarky]

Thank you
So no concerns then