The Planted Tank Forum - View Single Post - How to make DIY root fertilizer tablets with clay
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Old 08-15-2012, 02:49 PM   #15
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They're root tabs. You're not gunning for a specific dosage, really. You're just trying to get enough ferts to the roots of heavy root feeders.

So I don't think you have to worry so much about dosage.

If you want to get into the nitty gritty, it's easy to monitor your plants over the course of a month or two to see what they need more of. Then add more of that to your next clay batch.
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