Luches, you seem like the resident expert here on how to build your own hydro solution. I've been wanting to do this for awhile now. The commercial hydro solutions are not cost effective for growing vegetables. The problem I am having is finding the stuff. It's not like you can walk into Lowes and ask "where's the diammonium phosphate". Where do you get the stuff? I can find about 3/4 of the stuff but the rest I can only find from chemical suppliers who charge a ton for it. Probably because it is laboratory grade.
Thanks in advance for your help.
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