Once your original bunch of fertilizers are depleted, how do you dose more of them into the tank?
Do you just push root tabs into the substrate, go liquid only, or something else?
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I normally use a mixture of liquid fertilizers, and will also push down root tabs.
When I used a substrate such as Flourite I mostly just overdosed with liquid fertilizers for it to absorb it (while also placing a TON of root tabs underneath it). Then once I noticed my plants start to look a little poor, I would use more liquid fertilizers and then take some root tabs and try to put them underneath the substrate while filled up with water.