Thanks everyone, I wasn't expecting such a fast response!
We already knew about basics like no gravel and low light/minimum flow but didn't know about driftwood, so thank you!
They do love chicken heart and it's so much less messy than the prepared Axo food (which we were told is really good for them, interesting to hear that not everyone agrees )
Insect Direct, thanks for the offer I will def send you a Pm