Thanks, yes he is mine. He's more beautiful in real life.
If the BN isn't doing any harm then let him be. Perhaps he does want to breed but it's not going to hurt him if he doesn't.
Flourite, yes?
A very fresh setup, heaps of potential. Personally I'd have gone with larger rocks but if i had to use those rocks, I'd space them out a bit.
Other than that, planting plan seems good.
I think I've seen rocks like that on a beach before, I could break them open. Perhaps not the same kind.
Yes, white vinegar. It's an acid so if it fizzes then the rocks are alkaline, if not then they are neutral.
HTH
I've collected 17 of these locally recently. Image too big to post here, only shows 16 of the rocks but they should look good in my nano planted. Try to get a sense of size difference by comparing the lines of the towel. 8)
http://i445.photobucket.com/albums/qq17 ... /Rocks.jpg