kelp, greensand. I say use then both the kelp will be readily available from the begining for the development of strong root system. Then once the greensand has broken down to become available this K can help your flowers when they need it. At least thats how I roll.
well the runoff is the soil, in a way. When you test the runoff your testing the overall ph both soil and water. This is what your plant is experiancing is the overall ph around the root ball. If you look it up on google they have natural household products that you can find in your area to...
ever heard of ph up & down? Its gonna save you $ on bottled water. I think your problem is 2 sided. Micronutrient lock out is is making it impossible for your plant to process p&K. the Lockout comes from high ph, and most likely since you are this far into its life cycle, the plant has gone root...
Testing the runoff is the most important thing, then you adjust your water to reach the proper runoff ph (mid 6s). Those drop kits are kind of wierd for runoff because of the soil sediment but if you got good eyes maybe you can figure it out. im colorblind so I hate those kits. A good meter will...