What is this gray substance?

[OiMush]

This grew over in about 2 days, no idea what it is. Does it need removal? TIA

 

[KING KONG]

This grew over in about 2 days, no idea what it is. Does it need removal? TIA

#reefsquad

 

[Fudsey]

Snail eggs maybe

 

[ISpeakForTheSeas]

Yeah, those look like some sort of gastropod eggs (snail, sea hare, nudibranch, etc.) - not sure what kind based on the video.

 

[OiMush]

Yeah, those look like some sort of gastropod eggs (snail, sea hare, nudibranch, etc.) - not sure what kind based on the video.

Thank you guys, was worried it was something crazy lol