This is a sub-section of this site.
http://www.axolotl.org/
The biggest mistake is trying to keep too warm!
Oh cheers. I had come across that site in my research, but I didn't realise it was affiliated with here. Good to know that's where I can get reliable info from. Thanks! While I've never kept anything in water before, I'm not completely new to the world of exotic pets. 10 years ago I had a Bearded Dragon. Had to give her up when I moved home, but thankfully they're much more accommodating to the idea of pets where I live now. Especially one that stays in a tank all the time! Maybe there's not much that I can take from my time as a beardie owner, but at least I'm used to dealing with live food, I guess! Worms should be a lot easier to deal with than crickets and locusts!
Obviously the water aspect is completely new to me and pretty daunting. I'm also completely new to the nitrogen cycle stuff so step by step advice there if it's out there anywhere would be hugely appreciated!
In terms of temperature, I live in the UK, so I'm worried more about it getting too cold than too warm!