Did I mention the PROMIX product was expensive? About $20 for "1.6 kilo" tub. The weight is less relevant since the product is doled out by volume for dilution - volume was nowhere near the container size (on account of "settling"). True that a small scoop makes a gallon (5 L) of liquid but I am using 5 or 6 scoops to feed 24 plants in the greenhouse once a week.... and more for the dozen outdoors.
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