Easy questions for easy people.

1) I was cleaning my floor today and the blue gunk I was using seems to have taken the gloss off the tiles. Which is a bit annoying, really. It says not to use it on marble and stuff, but I thought it would be okay on my floor. Which isn´t marble. Obviously. Anyway it´s looking a bit the worse for wear and I don´t know how to fix it.

2a) What´s Spanish for Goth? Apart from just "Goth".

2b) Where is a good mixed age Goth dive, such as might look kindly on a couple of fogeygoths without being utterly dead?

I´m bored. Entertain me, Goths of Barcelona.