ingredients

I'm in Ontario, Can., in the Toronto area and I'm running out of the makings for my DIY ferts The store I last purchased the ingredients from isn't carrying them anymore. And when I looked online to find another source, it sure looks like KN03 isn't even available here these days, even in the...

Hi all, I'm new to the forum but not the planted tank hobby. I've always bought my planted tank fertilizers for my hi-tech tanks but recently I've taken a liking to organic chemistry though and at this point I want to mix my own sauce AND understand what I'm doing with these organic chemicals...