Answer: Tomato flavor can vary somewhat between varieties and growing seasons. Also, some varieties of tomatoes taste more acidic than others. However, the biggest determinants of flavor are healthy plants with plenty of sunlight and water.
Green, healthy leaves convert sunlight to sugar in the presence of adequate moisture and fertility. It sounds like your choice of containers, growing media, and fertilization are all good. Could sunlight be lacking?
Tomatoes taste their best when allowed to fully ripen. Make sere you are not getting too anxious and tasting them before their time!
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