I purchased a Red Sea Reefer 250 second hand, he said he purchased it about 16 months ago.
When i got it home I noticed this weird looking discoloration in the bottom front of the glass, does anyone know what this is? is it dangeorus? does it need to be fixed or cleaned?
When i got it home I noticed this weird looking discoloration in the bottom front of the glass, does anyone know what this is? is it dangeorus? does it need to be fixed or cleaned?