This method uses water and eggshells to yield a cheap, nutrient-rich tea for your houseplants and garden.
Source: TreeHugger – Make an all-natural plant fertilizer with old eggshells
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This method uses water and eggshells to yield a cheap, nutrient-rich tea for your houseplants and garden.
Source: TreeHugger – Make an all-natural plant fertilizer with old eggshells