Jonathan Green 12201 MAG-I-CAL Soil Food for Lawns in Alkaline Soil, 15000 Sq.Ft


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SKU: 11756454
MFG: 12201


MAG-I-CAL Soil Food for Alkaline Soils lowers soil pH. MAG-I-CAL’s fine particles break-down quickly in the soil and is formulated for superior performance to help improve fertilizer efficiency. Your soil is considered alkaline if it reads between 7 – 14 on the pH scale. Standard fertilizer programs are not enough to get a beautiful lawn. They don’t address the long-term health of the soil, particularly soil pH. Plants growing with improper soil pH levels will not thrive because certain nutrients become "tied-up" in the soil and are unavailable to the plants. Lowering soil pH may take a number of applications to reach desirable levels. A gradual reduction in soil pH is preferred because a dramatic reduction can result in plant stress. Applying MAG-I-CAL helps balance the soil pH and, at the same time, helps the lawn to grow greener and healthier.

  • Covers up to 15,000 Sq. ft.
  • For lawns in alkaline soil
  • Helps lower soil pH
  • Use in place of sulfur
  • Reduces soil alkalinity for thicker, healthier lawns
  • Lawn Food works better when soil pH is balanced.

How to apply

  • Apply to a dry lawn before a rain or water in. Application rates depend on your soil test results. Grass grows best with a soil pH range between 6.2 – 7. If your soil reading is below 6.2 on the pH scale, you have acidic soil, and need MAG-I-CAL | For Lawns in Acidic Soil.

When to apply

  • If your pH is above 7.0, apply Mag-I-Cal for lawns in alkaline soil:
  • If pH is between 7.0 and 7.5, apply in the spring and in the fall
  • If pH is between 7.5 and 8.0, apply in the spring, summer and fall
  • If pH is between 8.0 and 9.0, apply in early spring and late spring, early summer and fall.
  • For Gardens: 1 cup = 2 lbs. Apply in spring to lower soil pH. For new plants, use 1 cup per plant, mix well 3 to 4 inches into the soil. For established plants, use 2 cups per plant. Spread evenly around the plant out to the drip line and water well. Repeat in 60 days intervals until desired pH level is achieved. In potted plants, add 1 tbsp. for each 4 inches of plant diameter. Do not spread by hand, wear gloves.


Jonathan Green