what if instead of replaceing the top soil or dirt you just add a few earth worms to clean it up for you ??? think it will work 
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what if instead of replaceing the top soil or dirt you just add a few earth worms to clean it up for you ??? think it will work 
Some people use earthworms as an extra help for cleaning up, but theres no way they could eat all of the waste. You can but a few in to make it easier on you, but I wouldn't count on them to clean up everything.
well do you know of any reusable substrate that can support plant life????
I don't know of any reusable substrate. Just about anything will start to decay eventually.
Sterile compost is what you want.
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