Miracle Gro in my compost

electricthot12

electricthot12

Active Member
I always reuse my store bought potting soil after composting it. I add composted cow manure, wood ashes, and other stuff and let it compost. I feed strictly organic nutes. Until I ran out for a period recently. I had to finish a grow with miracle gro flowering formula which I had on hand. So, is all that soil throwaway now? Or can the salts be composted out?
 
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Phytoplankton

Well-Known Member
electricthot12 said:
I always reuse my store bought potting soil after composting it. I add composted cow manure, wood ashes, and other stuff and let it compost. I feed strictly organic nutes. Until I ran out for a period recently. I had to finish a grow with miracle gro flowering formula which I had on hand. So, is all that soil throwaway now? Or can the salts be composted out?
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It’s still useable, if you’re worried about chelated salts, give the soil a good flush (3x the volume of the container), let it dry and do your amending. It’ll be fine.
 
electricthot12

electricthot12

Active Member
It’s still useable, if you’re worried about chelated salts, give the soil a good flush (3x the volume of the container), let it dry and do your amending. It’ll be fine.

Thanks. I've got about 6 cu ft of it, and have a lot invested in it. And it would hurt if I had to throw it away.
 
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