Weird white circles on rocks.

[hampsterblade]

Does anyone know what this is. It started showing up this morning.

 

[Sugar Magnolia]

Spirorbid worms. Harmless.

 

[NWoods]

The sign of an aging tank.

 

[danil]

looks like a new setup . Don't worry about these things they will self-regulate eventually. Do you have LR with coralline algae? If not I would get one and scrape it under power head to activate CA growth.

 

[One fish]

What does scraping in front of a powerhead do?

 

[m0nkie]

Spirorbid worms. Harmless.

somehow read that as Spider worms... far from harmless. sounds scary as f

 

[Ilsimen]

What does scraping in front of a powerhead do?

Spreads the spores.

 

[hampsterblade]

I have 16lbs of live and 40 lbs of dead rock. The live rock is purple, I think that means shell coralline, as for getting the spores for coralline I found some small rocks covered in it at jacks and they gave me a couple rocks that I placed around my tank. Although I'm currently fighting a valient battle with what I think is cyano.