Jacks has a bunch of new? FeED formulations BTW, that might be better suited to your water source, stage of growth, etc..
Need a Boost of Flower Power? Our 1:3:2 major nutrient ratio has been trusted by Jack's Professional growers for over 70 years. This soluble and available nutrient combination stimulates blooming, resulting in heavy bud and fruit set.
Get ready for a serious boost of available phosphorus. The primary goal of this formula is to assist in shutting down the strong vegetative growth stage of the plant and stimulate a switch to the reproductive or flowering phase of plant and flower development.
You've always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with a very low nitrogen, high phosphorus and very high potassium content to keep the whole plant happy to the end of its crop cycle.
Shipping does kinda suck but then again 25# of just A and B will last me and my garden for years.
I was considering trying a small bag of Finish, just to see if the end product is any different with less nitrogen.
I fed all my different veggies in coco the same ratio/mix, and watered it down a bit for my cannabis plants which i grow in RDWC, at 5-700 ppm max.
All had good growth, very healthy including my cherry tomatoes. I didn't suffer any blight or any disease, they produced very well. My peppers bloomed kind of late though, not sure why. I didn't supplement anything just A & B and a bit of epsom here and there.