I checked out a couple of Nursery places in the city. Not much really. One place has a "Soilless Potting Mix" that says it has Peat, Perlite, and Bark. He says it works great for tomatoes and such. Anyway, it is $13 for 2CF bag. He also sells Perlite for $20/CF. I am going to try it out, figure it can at least be used to start my tomatoes and other garden veggies. The only thing I am not liking is the bark, but I think that is the "cheap" filler they use in that mix I guess. I also called an actual hydroponic store, and when I asked about Bat Guano, Kelp Meal, Bone Meal, etc., they said either to check in another city, or get online. I have a couple of other bigger cities I can drive to, will call the nursery/soil shops there tomorrow and see what I can find. I am still looking for a worm breeder for castings lol. anyway, wish me luck on my medium search.
peat is alkaline and bark is acidic, but they wont necessarily cancel each other out for neutral ph. both are cheap "non-nutritive" fillers, but both will decompose into compost with microbial action, resulting in soil from your "soil-less" mix but neither makes good compost. in short, the stuff he is selling is worse than useless. you would do better planting in sphagnum moss than that junk. wanna grow tomatoes? dig a 3 foot x 2 foot hole in your backyard, toss it with a coffee can of chicken shit, and one 3 cu foot bag of ordinary home depot "potting soil", and fill the hole back in with your new mix, and save the rest to put in pots. tomatoes will grow great in the hole, and the rest will make great potting soil for whatever else.
hydroponic stores will not usually carry worm casting, bat guano, bird guano, kelp, bone meal, blood meal, etc, those are not used for hydroponics usually. go to a plant nursery or real garden store for that stuff (not the garden center of home depot/wal-mart, they don't carry anything you want, and the jackholes you talk to there don't know anything)
if you want worms, any fishing shop will have red wigglers in the bait cooler. many of them raise their own wigglers in the back. in my town even wal-mart carries wigglers. growing worms is easy as hell. follow these steps:
1) big Rubbermaid Roughneck tote with a lid.(dont get the sterilitetotes, they are brittle, and will crumble after a few months, sending worms and wormcrap everywhere) and 1 3 cu foot bag of potting soil (for fast starting)
2) go to a plumbing shop and get a good (1/2 to 1 inch) sized PVC drain valve with rubber O ring gaskets, and some plumbers dope (smallest jar you can find, it lasts forever) and a drill bit of the right size
3) drill hole just above the bottom of the tub, put in the valve, smear the plumber's dope on both sides of the tub where the valve contacts. screw down the ring to secure the valve. (mark on the tub which way is open/closed)
4) pour in the potting soil, from here on in, its carrot peelings, apple cores and whatnot (plant matter only, NO MEATS FATS BLOOD GIBLETS FISH, OR ANYTHING THAT IS NOT FROM A PLANT!!!!!!!)
5) go to a fishing shop and buy a tub of red wigglers, dump em in the tub, toss the mix periodically, keep the top on, and sprinkle in a little water if it looks a little dry when you toss it. every couple weeks, open the drain valve to extract the "tea"
6) you can now catch worms when you turn the stuff in the tub and put em in your potted plants, or catch fish with em. the "tea" (actually called effluent) is a powerful fertilizer for any plant, but its STRONG, dilute it till it looks like weak tea.
every few months, stop tossing in scraps let it sit for a week, and when it looks like there's no more big chunks that you can identify as apple cores or carrot peels, take out most of the contents, then add more scraps. rinse and repeat. the stuff you take out is rich and useful soil. mix it with potting soil to grow big tomatoes, or whatnot. the worm farm should not stink. if it smells like rotting garbage, then shit is off balance. usually, too wet, too warm (leave to top off till it normalizes) or non-plant stuff got in (you're fucked, it will never stop stinking, gotta throw out the stuff, and start over with as many worms as you can catch).