What is this?

[lakaiguy]

It goes away when the lights are off.

 

[Jeremy S.]

Cyano algae. Best thing I've used to get rid of it is Chemiclean Red Slime Remover. Stuff works like a champ!

 

[lakaiguy]

Does that harm fish or inverts?

Is there a natural way to get rid of it?

The tank is still new and I've done pwc every week since out cycled, how'd I get it?

 

[Kio707]

Does that harm fish or inverts?

Is there a natural way to get rid of it?

The tank is still new and I've done pwc every week since out cycled, how'd I get it?

Cut back on feeding and do higher water changes.