Grow More 10-52-10 fertilizer and I add tbs. fish emulsion (5-5-5?). I scored the Grow More from my F-I-L when he passed.
The 10-52-10 is MORE than enough nutrition for tomatoes. Just give them time.
Every season is different. My stuff all looks good, but it’s been so dry that things aren’t really as lush as they should be by now.
I have well water, which is second only to rain water - but RAIN makes such a huge difference, I’ve seen.
This is easily my 30th gardening season, concentrating on food crops and some cutting flowers. No two have been alike, even in the same growing zone.