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FoxFarm brings you Gringo Rasta® Cal-Mag to use in the garden to strengthen cell walls and aid in fruit development. OMRI listed and a registered CDFA organic input material Contains 3% calcium and 0.9% magnesium Derived from calcium carbonate, magnesium sulfate and soy protein hydrolysate
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🇺🇸 Ship from USA · On Agora since 2025
$27.99