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Magnesium sulfate (or Epsom salt) is used to correct magnesium deficiency which can be common in the hydroponic production of vegetable crops. It is perfect for use as a part of a hydroponic nutrient solution because it is inexpensive, highly soluble and naturally occurring. This agricultural-grade magnesium sulfate heptahydrate (MgSO4•7H2O) is an extremely soluble and bioavailable source of magnesium and sulfur for the health of animals and plants.
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🇺🇸 Ship from USA · On Agora since 2025
$33.00