Are they any good? You're meant to be able to add some to your tank to prevent unwanted algae growth.
Anyone have any experience with them, or do you advise leaving chemicals like this out of your tank?
I have lots of hair algae all over my rock and live sand
Anyone have any experience with them, or do you advise leaving chemicals like this out of your tank?
I have lots of hair algae all over my rock and live sand