Hi folks,
Very easy to make / use > I have them in all my Apisto tanks for spawning.
The key is make sure the cocunut when you open it is fresh, any off smells then discard straight away.
Scrape the outside of the shell to remove all the hair, doesn't need to be perfect though.
Saw the coconut in half, then half the halves (quarters in the end!!). But really it's up to you as to what size/shape you are after.
Scrape out all the coconut flesh, then scrape the inside of the shell as well. Rinse in cold water.
I then put them in the oven for about 5 minutes (about 160), just keep a check on them to make sure the shell doesn't split.
Then cool and straight into the tank, perfect spawning cave!!!!
Andrew
ps if you prepare 6 at a time like I do, you'll get sick fed up of eating coconut!!!!