bubbles

[Nakie31]

Hello everyone I don't know if anyone can awnser this but I have bubbles on my rocks and sand has anyone has this or can tell me what has caused this please?

 

[SaltBeast]

What is your filtration/sump setup. My guess would be you are getting air in your lines.

 

[Sk8r]

Is there a red film with them? Cyanobacteria can do that, too.

 

[MaccaPopEye]

I get a type of cyano that is almost silver / clear for a while before it tunrs a dark grey / black. For the first week or so it just looks like an assortment of small and large bubbles stuck to the rocks and then it will start to go silver / grey and its clear that there is cyano and then if I leave it for a while it eventyally goes black. So it could be similar - it doesnt have to be red.

 

[Justintegra]

Cyano would be my immediate guess as well.