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Does to much potassium block the uptake of calcium and magnesium

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Hi there. Yes it can cause lock out of other nutes. It kinda looks like the tip burns on leaves you see with calmag deficiency.

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Yep, I recommend following the dosage on PK and be careful with adding PK boosters :love_you_gesture:

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Zinc and iron as well.

Managing runoff PPM is a pretty reliable way to ensure proper dosing.

Iā€™m not a fan of these. All they are is concentrated PK. If you want more PK, save your money and simply add more (limited) of whatever product you already use for PK. I used them myself until a year or 2 ago. They caused more issues than they solved. Most of them are very salty and cause pH issues.

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