vinegar

Hi Guys,   I have drained my tank completely in preparation for converting it from Tropical to marine. However the whole thing is covered in rock hard coralline algae. It is 450L so a vinegar bath is not really an option and razer blades aren't helping at all. What should I do? Please help me...

Hello! I was poking around the 'Web and came up with a few solutions for disinfecting my tank, but since I really don't want to kill my guppy fry, I will try them all. Today I filled the tank with warm water and loads of table salt. Tomorrow, I'll drain and rinse it, then wipe it with vinegar...