Indeed...W/ 9 years in college, and a library full of books on the subject much of the best information is just recently available. I mean to say you can't find this stuff in books. At the very least have the information spoon fed to you in a manner specifically regarding our aquatic plants and aquariums. The subscription cost is a pittance compared to the rest of the hobby.

There are lots of grand theories available on the internet and most of them are changing daily fortunately the membership here is pretty meat and potato logic without alot of ceremonious blathering.

As far as affecting environmental conditions we can really only do so much in contrast to genetic structure, and evolution. We only imagine ourselves to be in control. LOL. Grtz, Prof M