I don't usually use 'bloom' formulas, I've grown many plants with Schultz 20 20 20 and a little Calimagic like the one pictured below
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I've switched to 'bloom' with a month to go but I'm likely going to go back to the even mix, it's easier for me to mix it and imo I don't really believe there's a need for a 'bloom' mix
Plants don't care if I put in less of this and more of that, the plant is only going to take what it needs regardless what stage of growth it's in, and as long as it's all available the plant is happy.
They really do like this GH trio though, I remember they like it before but I stopped using it because it got pricey. I've been using Masterblend and Schultz 20/20/20 (5lbs. / $16) for the last six, seven years. I use Schultz on the tomatoes too, they love it!
I'll probably go back to the even 'transition to bloom' mix