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Haven't been able to find the answer to this on ROI, primarily because so many words related to molasses and growing have PH in it (sulPHured, unsulPHured, PHosPHate etc. etc.), which doesn't work well for searching the forums. I'm wondering how people with the vial and drop test kits determine...

I'm looking for knowledgeable opinions, I've already looked at all the threads discussing common plant problems and looked at photos, and I don't see anything that completely matches my symptoms based on what I've read. Nitrogen deficiency seems most likely based on the description, but the...

Simple question, but I don't know the answer. Is the ambient heat generated by a CFL directly proportional to the wattage of the CFL? If not, is it directly proportional to something else that can be measured, such as lumen output (which can vary with CFLs that have the same wattage of...

I'm a prop 215 card holder in Cali and I have 4 Autos I just started indoors, and I'm looking to grow one or two small potted Autos outdoors in my backyard as well. It's completely legal for me to grow these in my backyard here, but for a variety of fairly obvious reasons I really don't want to...

Ok, so as the title indicates this is my first grow. I've spent the better part of a month reading as much as I could and asking questions once I knew enough to know what I didn't know lol. At this point I'm pretty confident that I'm going to have a pretty good grow first grow, but I'm a...