I had uneven ripening and white interiors on some tomatoes earlier this year. I purchased, and applied a water soluable "ripening blend" (High P, high K) from Kelp4Less online and had it in a few days. I had used 3 cups of TomatoTone in my Earthboxes and 2 cups of Dolomite with occasional Calcium Nitrate as snack. The ripening blend has corrected the problem.
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