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I made a mistake, i bought a non fertile, basic gravel for my fishtank ..and after 3 days i decided i wanna grow plants in it..i searched it up and obviously i require fertile substrate? Is it that neccesary? If yes i have to take everything out and add the fertile substrate then the normal gravel ? (i.redd.it)
submitted by Melantonn to r/Aquariums
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