Grow Organic Limestone Microna Ag H2O
Best organic soil amendment for gardeners needing fast-acting pH balance.
A finely milled calcium carbonate amendment that quickly corrects soil acidity to unlock vital nutrients. Its ultra-fine consistency allows for rapid dissolution, making it an efficient choice for both soil top-dressing and liquid irrigation applications.
$9.99
at
SeedTime (retailer)
Who it's for
- Gardeners needing immediate soil pH correction for struggling plants
- Hydroponic growers or those using automated liquid feeding systems
- Farmers seeking rapid calcium and magnesium uptake for crop health
Who should skip it
- Users sensitive to airborne dust or lacking proper safety gear
- Budget-conscious growers managing large-scale agricultural acreage
- Novice gardeners prone to miscalculating precise soil amendment ratios
Performance breakdown
pH Correction Speed
Finely milled particles ensure rapid soil neutralization compared to coarse alternatives.
Application Versatility
Seamlessly transitions between dry top-dressing and liquid irrigation feeding.
Nutrient Density
High calcium concentration provides essential support for robust cell wall development.
Organic Compliance
OMRI-listing guarantees strict adherence to organic gardening standards and safety.
Solubility Efficiency
Dissolves quickly in water, preventing clumping in irrigation or spray systems.
Ease of Handling
Fine powder requires careful application to avoid dust during windy conditions.
Key Specs
Composition
96% CaCO₃ (Calcium Carbonate)
Calcium Content
38% Calcium
Package Weight
5 lb
Certification
OMRI-Listed
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