Algae I.D and snail shell

[Scousereefer]

Can someone tell me what algae I have on my rocks and is it good or bad.

Also what the white marks are on rocks and snails shell, aswell as the purple tip on snails shell.
Any advice will be appreciated

 

[KJ]

Can someone tell me what algae I have on my rocks and is it good or bad.

Also what the white marks are on rocks and snails shell, aswell as the purple tip on snails shell.
Any advice will be appreciated

View attachment 2089426 View attachment 2089427

Green cyanobacteria.

How to Remove Blue-Green Algae From Aquariums

Cyanobacteria overgrowth is a common aquarium issue and difficult to manage. Here is how to cope with what is also called blue-green or slime algae.

www.thesprucepets.com

Trochus snail good to have!

 

[Scousereefer]

Green cyanobacteria.

How to Remove Blue-Green Algae From Aquariums

Cyanobacteria overgrowth is a common aquarium issue and difficult to manage. Here is how to cope with what is also called blue-green or slime algae.

www.thesprucepets.com

Trochus snail good to have!

Thanks bro, is the cyno a good sign? And I have a couple trochus, what is the bird poo looking white patch on it lol, it also looks like it has purple algae on it