I use a small amount of whatever I used in Veg to balance the molasses- small amount- about 1/4 - this keeps the nitrogen from dropping out and the leaves from turning a funny puke yellowy color….
I sometimes use Oneness( which I have around but won't buy again) - but I usually go to the regular garden center and just buy a good organic all around fertilizer- Murphy's is pretty good and half the price of the weed nutes….