Lots and lots of information in there. I'm relatively new to fish keeping compared to some of you experts.
I'm now edging on the side of putting a small bag of coral sand in the tank.
I also have some shells my wee boy collected at the beech.

Is that the right thing to do? Or have I read it all ...

Wow thanks. That's a quite a big thread. I skimmed over it but will read in full when I have more time.

I have breeding group of L333 which have spawned a few times already. They are still quite young. But I was led to believe once they start they don't stop. Well mine have stopped lol. Water is Quality (I live in Scotland). Nothing has changed in the tank apart from a internal k1 moving filter. But I ...