Originally Posted by FlyingHellFish
Dumb question but, if you got a high CEC like flourite black, can't you just inject the diluted fertilizer into the substrate?
sure. and then a little more 2" over, and then a little more 2" over...
and do that every day, one day macro, one day micro. just like with water column dosing.
or just use slow-releasing root tabs.