divemaster99 Dovii MFK Member Jan 10, 2014 4,795 385 107 Pittsburgh, PA Aug 13, 2014 #11 Ok I went and did it with just the gravel and vinegar with no water and it didn't fizz so I guess it's just pea gravel.
Ok I went and did it with just the gravel and vinegar with no water and it didn't fizz so I guess it's just pea gravel.
