Hello Everyone!
I went to look at my tank this morning and noticed this in the side glass. Does anyone know what this is exactly? This is the first tine I have saw anything like this in my tank. Thanks for any help you can give in this.
I went to look at my tank this morning and noticed this in the side glass. Does anyone know what this is exactly? This is the first tine I have saw anything like this in my tank. Thanks for any help you can give in this.
