What is this?

[robert goldsmith]

 

[KJ]

Red grape algea.

 

[robert goldsmith]

Thanks a bunch. It is starting to spread and I was a little worried. A little reading up and it seems it should be easy to control.

 

[robert goldsmith]

Thanks a bunch. It is starting to spread and I was a little worried. A little reading up and it seems it should be easy to control.

 

[robert goldsmith]

Red grape algea.

Thanks a bunch.

 

[KJ]

Thanks a bunch.