Thrive alive is high is K as it is a seaweed extract though you say you are using green red? The green is all organic. The red has synthetic growth hormones added. Depending on how much you are using it could be a lock up as you said. Usually N flushes first, K second and P is difficult for the plant to get rid of. How long ago did you flush them. It is not an instant fix. I use less then half of what the labels say. The recommended amounts are generally a max amount for two weeks. Unfortunatly most fert companies are in the busness of selling volume so be careful with the instsuctions. The hanna grow check is a great meter for tds and ph.
If you add ph down or citric acid to your well water with the nutrients in it in a controlled experiment with poland spring or any bottled water in another container with the same nutrient mix. ( You really dont need nutrients in the two waters I suppose) Then drop the ph with equal portions of ph down to each see if the fall at the same rate. Calcium is a alkaline which means it buffers ph. If your water is really that high you will notice the difference with your two containers. In fact just use water for the experiment. Simpler is usually better.
The sugar is for the microbs in the soil and they do not metabolize it that quickly so you may wish to consider using it sparingly.

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Karmaxu Reviewed by Karmaxu on . Brown Spots Leaves Curling Upwards??? Help Me ??? OK this is whats going on, I have plants all in different stages of growth and there all showing the same signs of a problem. Some of them the leaves are twisted and contorting. Also I have some that are curling upwards all around the edges, and with brownish spots with some leaf yellowing. I thought at first it was nute lock, leached soil and no changes. I am using a 250w hps mh interchangable light 16/8 day night, 50 percent RH and 65-75 degress. I am staring to believe that it is my water Rating: 5