A lot of people just put a chunk of it in and weigh it down with something. We tend to use a heavy bolt to weigh ours down. Remember to remove the courgette within 24 hours though or else it will end up polluting your tank.
[/quoti have just cut off a slcice and stuck it in the gravel standing up like a wheel on a bike would ( best way i can describe it ) he doesnt seem intersted?
ok thanks for all the helpgive him time, its something new to him, it may ttake a few times before he will eat it, the same happened with my Bns