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Thread: GH Booster's
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post #7 of (permalink) Old 07-14-2017, 12:39 AM
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Neither one is really designed to raise it a whole 6 points. Nobody wants to add 190 ppm of K in one whack, or even 62 for that matter. May not hurt anything, but it goes way beyond a ridiculously high level

These boosters are best when you want to raise the GH a point or two, just to make sure all the bases are covered.

If you really want/need to raise your GH 6 points, use Epsom salt for the Mg and some form of Ca, ie Calcium sulfate. It'll be a helluva lot cheaper and without all the extra K and S

Something like 25-30 ppm Ca and 5-7 Mg should be good

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Last edited by burr740; 07-14-2017 at 12:54 AM. Reason: .
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