from what I understand from my conversation with Jeff, you can dose potassium from the start with no problem but you should wait for the others until your tank begins to stabilize; at this point you should begin dosing slowly (i.e. under-dose) until you find an optimum level for plant growth. Your plants may show some deficiency while you work things out as far as your dosing is concerned, but will flourish afterwards. I wonder if this would change if you were dosing EI; after all Jeff does use ADA products (I'm assuming)...hmm...I'm going to think about this one...anyone else have any ideas?
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