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I was wondering if i could put potting soil under my gravel for my plants with roots? … I was wondering if i could put potting soil under my gravel for my plants with roots? TylerT is online now, Send A Private Message To TylerT … Thats what I did, used that exact same site back when I used topsoil as my substrate. I found my pottery clay at Michaels Design. I picked up any natural clay that was red. Mine was Mexican pottery clay. Some clays are dyed red, …
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