- 6 Oct 2012
Hi all, tried to search the forum but couldn't find the exact answer. I'm making some underwater potted plants, potted because I need to be able to constantly move and rescape for breeding purposes. I've gotten some tetra clay substrate but I want to add some fertiliser into the mix. When filling the pot can I just sprinkle some loose in the substrate and cap or does it need to be incased in something like potters clay? How many prills to a pot? And will it cause any harm to young/sensitive fish? Thank you.