This happened in the course of 4 days at first I saw rust spots which made me beleive calmag def. Gave it 10ml per gal. Now it's getting different colors. Thoughts.
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This happened in the course of 4 days at first I saw rust spots which made me beleive calmag def. Gave it 10ml per gal. Now it's getting different colors. Thoughts.
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What is the pH and PPM of the soil runoff?