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potassium proteinate complex
I have what I'm pretty sure is a potassium deficiency, showing up most
obviously in H. difformis that started with small holes in the middle of
mature leaves and ends with the leaves yellowing and eventually breaking
down completely.
A trip to our local drug store yeilded nothing in the way of potassium
gluconate, but I was able to buy a bottle of 50 mg potassium tablets, the
contents on the back listed as "potassium proteinate complex". Do any of the
"chemists" out there know if this is in a form usable by plants? The term
"complex" has me somewhat concerned; what else am I adding to the tank
besides potassium if I use this?
TIA,
Ron Barter
Perth, Ontario