Plant Marvel - 13-2-13 Plug Special - 25 lb. (88/Pallet)

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A plug growing formula with high nitrate nitrogen, calcium, magnesium, and minor elements, mostly derived from the chelated (EDTA) form, and all combined into a totally soluble mix. Test nutrient levels in both water and growing media prior to use. Suggested use for plugs on a constant feed basis is at 50 to 75 PPM Nitrogen. Use growth results and nutritional monitoring to adjust this rate. Avoid mixing with acids or other NPK fertilizers.