Mag-I-Cal® for Lawns in Acidic Soil

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Mag-I-Cal® for Lawns in Acidic Soil in one bag has a pH adjusting power of up to 15 bags of limestone.

  • One 18 lb bag covers 5,000 sq ft
  • Fortified with soluble calcium
  • Calcium and humates balance soil pH and stimulate microbial life
  • Great natural soil food for lawns that need to rapidly and efficiently RAISE soil pH

Product Description:
Jonathan Green’s Mag-I-Cal for Lawns in Acidic Soil contains calcium carbonate in a completely soluble form that is immediately available to adjust soil pH upwards. Poor soil is often the problem in growing a great lawn and calcium is vital to many grass plant functions.

Lawns thrive in soil with pH levels between 6.2 and 7.0. When the pH level of the soil is below this range grass becomes light green, weeds persist, and fertilizer nutrients are not fully absorbed. Mag-I-Cal Plus also contains humates to stimulate soil microbial life. When soil chemistry and biology are balanced, nutrients from lawn foods are not wasted and the grass will thrive.


Application Information:
Mag-I-Cal for Lawns in Acidic Soil is best applied during the growing season when the soil is not frozen. Spread the product on a dry lawn soon after mowing and for best results, rake the lawn vigorously prior to application. Irrigate the treated area after application for 15-30 minutes. Once watered, wait a day to mow the lawn to give the product time to activate.

This product is safe to apply when you are seeding or sodding and may be used on the following grasses: 
Cool Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue (all fescues), Ryegrass.
Warm Season Lawns - Bermuda, St Augustine, Zoysia, Centipede, Bahia.

 Coverage

An 18 lb bag will cover 5,000 sq ft

Application  Details

Apply at 3.6 lbs per 1,000 square feet of lawn area


For soils with a pH lower than 6, repeat applications twice a year

Water-In  Instructions

Apply to a dry lawn

For best results, water into the turf for 15-30 minutes


Sweep excess off sidewalks and driveways to avoid staining

Product Resources:

  • Label: Mag-I-Cal Acidic label
  • Spreader Settings:  See product package label
  • Package Includes: One 18 lb bag
  • Storage: Store in dry conditions away from moisture. Can be stored for up to 2 years.

Shipping Information:

Shipping Costs

Price does NOT include shipping, will be calculated at check out

NO P.O. Boxes 

State Restrictions

Alaska (AK), and Hawaii (HI)

Stickers

Yes, free stickers with this item

Typical Delivery Time

4 - 7 business days

Product Type

Granular

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