Experiments will be 9 in total, available in the book

Last time i have wrote that i had 6 experiments, which will be in topics.

I have now 9 in total now, that will be available in the book i currently make with my brother and it will also include the substrates that doesen't work.

The succeded experiments and those who didn't worked, doesen't involve :

- choir

- perlite

- sphagnum

I will anounce where the book will be available.