Tip - My tomatoes will not turn red

I've grown tomatoes in this same spot for 3 years. Usually tomatoes started turning by the middle of July. They get lots of sun. I water once a day. If I don't, I get wilting. The plants are huge. I planted Romas (like last year) Whoppers, Choco Cherries and Season Start. Last year I had blossom rot...
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