pH and Calcium

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Aragonite
pH and Calcium
From oyster shells, not pulverized rock. Aragonite is even lower than calcitic lime in magnesium, so it's the ideal choice for soils with excessive magnesium. read more
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Gypsum, Pelletized
pH and Calcium
A good source of calcium when the soil pH is already at a desired level. read more
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Pro Pelleted Calcitic Limestone
pH and Calcium
The most common and most frequently used soil conditioner. also called Hi-Cal lime. Recommended for soils with excess magnesium. read more
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Pro Pelleted Limestone, Dolomitic Limestone Pro-Select Prill
pH and Calcium
The least expensive liming agent. Use to sweeten soil (raise pH) and provide calcium where excess magnesium is not a problem. read more
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Tiger Organic 90CR Sulfur
pH and Calcium
Agricultural Sulfur. Use to make soil pH more acidic. Often helpful for both lowbush and highbush blueberries, and for potatoes. Lowering the pH of gravel paths will help control weed growth. read more
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Wollastonite
pH and Calcium
Silicon is linked to improved yields, especially recommended for cannabis, orchard crops, cucurbits, sweet corn, grains and forage crops. Also helps build resistance to powdery mildew. read more
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