Anybody know the correct ppm at which to use copper sulphate as a fungicide/root conditioner, basically as a gold zone substitute?
I did a quick search and found nothing. This is strange, since copper sulphate powder is cheap and simple to make in a solution I expected to find something.
I did a quick search and found nothing. This is strange, since copper sulphate powder is cheap and simple to make in a solution I expected to find something.