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I have plants in coast of Maine stonington blend on bottom 75% of pot with coco /perlite on top 25%. If I see defiencys in flower can I use bottled nutes ?
2 mg of Calcium in my area... in a big city like for example Toronto it's 38 mg/litre. Soo read your local water report before buying any nutrients.. Unless you plan on using R/O water.
I don't use cal/mag at all... it collects dust on the shelf. And I don't have hard water :) I live in the mountains so it's some of the cleanest water... Would depend on the Nutrient combinations.... Using organics and chemical based nutrients does not always equal a great idea.
OzarksCannabis
