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Monterey Epsom Salts is a magnesium sulfate garden amendment in a 4 lb shaker can. It supplies 9.8% magnesium and 12.9% sulfur, nutrients plants need for chlorophyll and for taking up phosphorus. It is OMRI listed for organic production and can be taken up through both leaves and roots, so it works as a soil drench or a foliar spray. Gardeners use it mainly to correct yellowing leaves from magnesium deficiency. Compared with plain bulk Epsom salt, it costs more but comes with a shaker can and a clear nutrient analysis.
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Buyers report it corrected magnesium deficiency and cleared yellow leaves on tomatoes when used as a foliar spray. Many keep it on hand as a garden staple.
Monterey Epsom Salts is a source of magnesium for plants. Plants need magnesium to produce chlorophyll, and yellowing leaves are the sign of a deficiency. It also helps plants absorb phosphorus.
Plants take it up through both the leaves and the roots. It contains no pesticides and is approved for use in organic production. It is OMRI Listed and CDFA OIM Registered.
Confirm the nutrient need with a soil test or crop recommendation before use, and follow the current package directions. Account for compost and other fertilizers already applied, and measure the product carefully. Avoid concentrated contact with stems or foliage, and water as directed.







