Quote:
Originally Posted by AKmark
4-18-38 is the best fertilizer for growing tomatoes in containers that I have found. Everything is formulated based on leaf samples analysis in a lab. Haifa has good blends too. They can be used in concentrate tanks, or mixed by the gallon and poured into the container. You must add CaNO3 and MgSO4 the instructions are on the bag.
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What brand is 4-18-38? Masterblend?