ICL Peters Acid Special
Best water-soluble fertilizer for gardeners growing acid-loving plants.
This is the gold standard for keeping acid-loving plants like azaleas and blueberries from yellowing in alkaline soil. It trades general-purpose convenience for a specialized, pH-correcting formula that forces vibrant growth where standard fertilizers simply fail.
$49.62
at
Steve Regan Company
Who it's for
- Gardeners managing alkaline soil or hard water conditions
- Growers seeking rapid foliage development for acid-loving ornamentals
- Plant owners needing comprehensive, highly bioavailable nutrient support
Who should skip it
- Novice gardeners prone to over-applying concentrated chemical fertilizers
- Homeowners looking for a single, versatile fertilizer for all plants
- Users wanting a low-maintenance, non-corrosive application process
Performance breakdown
pH Correction Efficiency
Expertly neutralizes high alkalinity to maintain ideal soil acidity levels.
Nutrient Solubility
Dissolves completely for rapid, stress-free uptake by sensitive root systems.
Foliage Greening Power
Iron-enriched formula delivers deep, vibrant color to tired, yellowing leaves.
Chelation Stability
M-77 technology ensures micronutrients remain bioavailable even in challenging water conditions.
Growth Stimulation
High nitrogen content drives vigorous, healthy development in acid-loving varieties.
Application Versatility
Perfectly suited for peat-based media and diverse professional garden setups.
Key Specs
NPK Ratio
21-7-7
Total Nitrogen (N)
21%
Available Phosphate (P2O5)
7%
Soluble Potash (K2O)
7%
Magnesium (Mg)
0.6%
Sulfur (S)
13.0%
Iron (Fe)
0.15% (Chelated by EDTA)
Manganese (Mn)
0.05% (Chelated by EDTA)
Boron (B)
0.03%
Package Weight
25 lb.
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