justintoxicated AC Members Dec 19, 2005 824 0 0 May 24, 2006 #1 Hi I have a piece of obsidian my dad found in the desert. Can I put it in my tank? it doesent have any sharp edges or anything since the sand kinda wore it down.
Hi I have a piece of obsidian my dad found in the desert. Can I put it in my tank? it doesent have any sharp edges or anything since the sand kinda wore it down.
Padraig AC Members Mar 26, 2005 38 0 6 65 Verga, New Jersey May 24, 2006 #2 Absolutely. It's a natural volcanic glass.
mrgrudge AC Members Apr 7, 2006 92 0 0 May 24, 2006 #3 Obsidian does break down faster in water, but it is so slow you're not going to see it happen within your lifetime.
Obsidian does break down faster in water, but it is so slow you're not going to see it happen within your lifetime.