I highly recommend
this guide, as that's where I've been looking. As soon as I get the fliff, going to give 'er a shot.
It's really basic chemistry, a little more volatile than the similar LSA extraction, but it's not too bad in the long run.
You can get PH papers for testing PH levels at Walmart where they keep the pool stuff, the plants can be purchased completely legally online - even in powdered form, which is super convenient, and the chemicals you need are very easily and legally acquired.