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My water right out of the tap is 250ppm is that bad? What ppms am I looking for? My seedlings are about 2-3 weeks.old

WOW I didn't expect that many responses by the time I checked back. Thanks guys. I just received my designated growers license and am striving to produce the best possible meds for my patients and heard this was a good place to learn. Lots of helpful advice already. I will be posting some...

Hi guys, THis is my first post on RUI. I am on some other sites and always wanted to check this one out. So HIGH to everyone! Ok so I have a bunch of beans that just sprouted and some of them are growing very tall long stems and some are even bending over. What can I do to keep them shorter...