Jonathan Green Mag-I-Cal Soil Conditioner
Best fast acting soil balancer for homeowners with acidic lawn conditions.
This soil conditioner is the missing link for lawns struggling in acidic soil. By balancing pH levels, it unlocks the nutrients already present in the ground, allowing your grass to finally thrive rather than just survive.
$19.99
at
Ace Hardware
More Mag-I-Cal options
Who it's for
- Homeowners needing quick results to fix yellowing or thinning grass
- Gardeners looking to maximize the effectiveness of their lawn fertilizer
- DIYers who prefer a clean and straightforward lawn treatment process
Who should skip it
- Budget-conscious property owners managing very large acreage
- Lawn owners who have not yet performed a soil pH test
- Busy individuals seeking a one-and-done annual maintenance solution
Performance breakdown
pH Correction Speed
Rapidly adjusts soil chemistry compared to traditional, slow-acting pelletized lime.
Application Ease
Granular consistency flows smoothly through standard broadcast spreaders without clogging.
Nutrient Bioavailability
Unlocks dormant soil nutrients, making them immediately accessible to grass roots.
Coverage Efficiency
Eighteen pounds covers a standard suburban lawn footprint with minimal waste.
Organic Integrity
Natural composition improves long-term soil structure without harsh synthetic additives.
Turf Density Impact
Noticeably thickens grass stands by fostering a healthier, more hospitable environment.
Key Specs
Coverage
5000 sq ft
Package Weight
18 lbs
Form
Granular
Type
Organic Soil Conditioner
Application Season
Spring, Fall
Target Soil Type
Acidic
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