How aquarium converted into self sustaining ecosystem
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Obtain a sealable, large glass jar. ...Fill the bottom with pebbles. ...Cover the pebbles with a layer of activated charcoal. ...Add a 1⁄2 inch (1.3 cm) layer of peat moss. ...Layer potting soil on top of the peat moss. ...Add small plants. ...Seal the terrarium and place it in indirect sunlight.
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