Anyone know what this is???

[MZabel67]

 

[KrisReef]

Evidence of reproductive activity in your tank by snails.

 

[MZabel67]

Evidence of reproductive activity in your tank by snails.

Do I just leave it alone or clean it off the glass?

 

[WalkerLovesTheOcean]

Do I just leave it alone or clean it off the glass?

You can leave it or scrape it off. Either way it will become a tasty snack for your fish.

 

[marlboroken]

snail eggs

 

[JoJosReef]

Gastropoda ovum deposits. Treatment includes manual removal and toning down the Barry White.