Fertilizing regimen in rainy weather

SE MI. We have had a very rainy early summer. I'm growing tomatoes in large grow bags and they're healthy, flowering, and fruiting. In the past once they've reached this stage I use fish fert, more bloom, and cal-mag. All of which are liquid. But I'm not sure what to use given the wet conditions we've been having. I have bone meal, a 5-5-5 organic dry fert, and a dry organic 5-10-4. . So far I'm not seeing much stress or signs of BER. So I'm wondering when and if I should fertilize and with what. It looks like we're coming into a stretch of warm, dry weather, too. Thank you so much in advance.