will this work or kill my plants?
just a quick question, can I use a calcium supplement, (calcium carbonate) rather than having to buy a big box of calcium nitrate from you??? i ahven't been able to find any calcium nitrate locally but have a calcium supplement that I take on a regular basis. Will that work???
another i have is calcium carbonate and calcium citrate with a mix of vitamin c, vitamin d magnesium, copper and manganese with boron and bioperine
will this work or kill my plants????
eddie
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