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Old 04-02-2011, 02:41 AM
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suggest RHF 2 part recipe as a guide for a start. For every gallon of Ca and Alk, 2.5 cups Mg.

Also look into Balling method (my understanding the 3rd part basically Mg and trace elements)
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Last edited by mark; 04-02-2011 at 02:43 AM. Reason: added Balling
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