JohnC
Member
Hiya,
I'm struggling to find something in my kitchen/house to test a rock.
Vinegar isn't making it fizz. Can anyone point me to a household strong acid that I can pour onto it to check?
Ta,
John
I'm struggling to find something in my kitchen/house to test a rock.
Vinegar isn't making it fizz. Can anyone point me to a household strong acid that I can pour onto it to check?
Ta,
John