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Discussion Starter · #1 ·
I was thinking about how terra cotta absorbs water and its made of iron rich clay. The idea is firing a bunch of little clay balls made from terra cotta and soaking them in a fertilizer solution for x amount of time at x concentration and placing them under a rooted plant. I suppose broken pieces of terra cotta would work too, especially if you dont have access to a kiln. It would eliminate the mess of clay when uprooting and could be recharged after a drying. And if that doesnt work they can be turned into moss balls :)

Any thoughts on this?
 

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Discussion Starter · #6 ·
You wouldnt have to uproot, just reach in and pull the ball out. Assuming you have gravel sand substrate and not something like mts or aquasoil.

So if you charged them with a fertlizer, it would feed the plant for a while and then provide the plant's roots with access to what you dosed into the water column, theoretically keeping a constant supply of nutirents, thus reducing the need of traditional root tabs?

Might be good if you have an inert substrate like sand and dont like the look of something like flourite
 
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