remsin76: ROTFLMAO!!! That is too funny!!! I'm sure you didn't think so when you woke up to that mess :P
You're right that you can just use 3 litres of water instead of 4, I've been doing that myself for some time now and forgot to mention it.
Keeper of 5 snakes, leopard geckos, 1 green iguana, 20+ tarantulas, 2 dogs & a bunch of rats!