Quote:
Originally Posted by AKmark
That is a great formula that is well tested. To be exact, we add equal parts of 4-18-38 and CaNO3, and about two thirds of those ratios is Epsom Salt/ MgSO4. For 100 gallons, 8oz, 8 oz ,5 oz- every time you water if the media is similar to Pro Mix. If watering is good, a grower should rarely if ever del with BER . pH should be around a 6.2 with an EC of 2.0- 2.2.
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AKmark question---So you are saying more than 4 oz of MgSO4. (two thirds instead of one half ratio). Are you talking "Heirloom" varieties or Dutch greenhouse type varieties ?
Dan