Originally Posted by somewhatshocked
You can use anything, really. Just have to make sure the plants receive proper nutrition.
I use old substrate in grow out tanks, house plants, succulent mixes, et al.
What about misting the plants with water mixed with ferts in it?
Is that okay?
You might be able to use a very small amount of Osmocote mixed in with the soil or sprinkled on the bottom of the container being you will have no worries about an algae bloom.
so basically root tabs?
Thanks for the replies guys!