I've been reading up on recycling soils and I think I want to give it a try. My basic plan is to put some small holes in the top and bottom of a plastic garbage can for drainage, and put my old promix in that.

I was thinking if I left it out in the weather, the rain would flush out any salt build up. I was planning to mix in a bag of organic compost, some dolomite lime, blood meal, and some sort of myco additive. I think that would leave me with a pretty good base soil to work with.

Am I on the right track here? Anything else I should add, maybe some greensand? Any other suggestions/opinions are appreciated. +rep for any helpful replies.

It sounds like it can work. What kind of promix are you gonna use?? Can micro-life survive in organic compost+ Promix. A lot of people can find bugs to be a problem when you recycle soil and the salt build up is another issue. Not sure about the rain idea but I think If you let the used soil compost for a couple-few months the soil you used should have an even and stable PH.

Hope this helps

I have the promix bx. I think what I am going to do is give the old promix a good flushing, then add in some earthgro organic humus & manure. I figure I will mix it up every few days with a shovel and after a month or so I will try it out.

I am undecided if I should add in blood meal, lime, etc before I let it sit. Or if I should just mix in the nutrients right before I use the soil.

I also use Pro-Mix BX. I have reused it twice without flushing or problems. After that I put it outside for this years garden and the corn and tomatoes look great. No flushing.

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Check it out.

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That sounds like a good idea. I have a friend who does promix bx. Let me know how it goes after it has settled a bit with the organic additions!!!!!!!!

Good luck!!!!

Thanks for all the advice. I'll update on how it works out. Any more suggestions are welcomed as well.

I mixed it up about a week ago. The humus & manure I used was pretty heavy, so I mixed in some perlite. It is in a 30 gallon trash can that is about 2/3 full. I added 1/2cup blood meal, 1cup espoma plant tone, 1/2cup dolomite lime, and all my unhashworthy weed trash.

I flushed the old promix really well with tap water before mixing in anything else. So far it looks good. I think I'll give it a couple more weeks before trying it out, but I'm pretty optimistic at this point. Any other suggestions/comments are still appreciated.

Sounds good !!!!! I think you are right on track. No suggestions just comments Keep us updated.... I might try to re use my pro mix if it turns out good for you.

Have a good one HWC

I've been recycling mine for 3 grows now. I add some earthworm and bat guano to recharge it. I flush before I harvest so no buildups. The only thing to warn you about is if (by chance) some of your crop gets seeded you will find that some of the seeds will sprout unexpectedly. I always germ mine in a papertowel and use fresh soil til it grows to big for the 16oz cup so I always know if I planted it or not.

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