Sorry to drag up an oldie. I haven't been able to find Greensand here, but have found a place for Rockdust. Is it a similar thing, with respect to the long term value it offers when reusing soil, or have I misunderstood entirely?
rock dust?
- Thread starter lovelightpower
- Start date
Here's the blurb dude, it's from an organic growing store.. http://www.organiccatalogue.com/catalog/product_info.php?products_id=2546
P
PkRipper
sumone smoked all the big rocks and left you only the dust/ You cant trust those Hdepot workers anymore
McSnappler
Here's a good place to learn about using 'rock dust' (as a generic term) here - Remineralize the Earth
HTH
CC
Here's a good place to learn about using 'rock dust' (as a generic term) here - Remineralize the Earth
HTH
CC
Thanks. Sounds like it could be of benefit to those of us hoping to reuse soil long term.
That was a main reason for me to start using rock dust(s) in my soil mix, i.e. reusing the soil mixture that I use.
Good point!
CC
EDIT: I also use various rock dust(s) in my worm bins. Powdered oyster shells (calcium) is also beneficial for worm bins to maximize worm reproduction.
Indeed!
The mixture that I buy is made-up by a local farm store and consists of the following: 20% each: Azomite, Glacial Rock, Greensand, Soft Rock Phosphate & Limestone @ $20.00 per 50 lb. bag
Not a bad deal, IMHO
CC
snap - rock dust looks good ands i'm sure it would help but i wonder if seaweed meal might be better for the timescale of cannabis growing. i use seawead meal for trace elements, and then rock phosphate and rock potash as mineral additives ( all from garden direct who sell dolomite lime too - UK)
i reuse my soil and a top-dressing in my veg beds etc - i had fantastic germination rates with my carrots and parsnips this year - they like my soil mix much better than my clay soil!
i reuse my soil and a top-dressing in my veg beds etc - i had fantastic germination rates with my carrots and parsnips this year - they like my soil mix much better than my clay soil!
Is carbide bad for plants? I know most shops these days use diamond blades to cut rock, but there's still some use of carbide. Shop dust from a place that works with stone would be a pretty good mineral source I would think.
i use top-soil too - for me that is your ultimate well composted rock dust with humus too 
Hey bro.. tbh I've ordered as many different beneficial amendments as I could for my new mix. I hope to use it grow after grow after grow, obviously with some slight replenishments. I see the Rock Dust helping long term, after a good few grows with the same soil. Hoping for a range of nutrients breaking down at differing rates over the course of some/many grows.
J
JackTheGrower
How does Azomite fit in against rock dust?
Thanx
Thanx
not a bad deal at all coot, considering the application rates, 50 lbs will last the average grower a long time.
if you did a little research you would find out azomite is a old volcanic rock from the utah desert. they grind it into a powder and ship it ready for you and your garden.
if you did a little research you would find out azomite is a old volcanic rock from the utah desert. they grind it into a powder and ship it ready for you and your garden.
