Peters Professional 21-7-7 Acid Special Fertilizer, 25 lbs.
Product details
| Management number | 232558119 | Release Date | 2026/06/21 | List Price | US$11.70 | Model Number | 232558119 | ||
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Peters Professional 21-7-7 Acid Special was designed exclusively for high-acid crops. Offsets high alkalinity water while effectively lowering pH levels in growing media.
N-P-K: 21-7-7
Specifically formulated for acid-loving plants. Provides a rapid correction of high pH conditions; ideal for acid-loving plants in the nursery and landscape. Promotes lush vegetation and better blooms. A favorite for azaleas and rhododendrons! Customizing component for use with a variety of base formulations
Benefits
- Formulated with extra iron to promote greening
- Contains NPK, magnesium and micronutrients
- Developed for peat-based cultures (pot plants, bedding plants and container nursery stock)
- Exclusive M-77® chelating formula for fast, efficient nutrient uptake
Application Rates
Mix ratios (non-injector)
Fertilizer + Water (gallons) = Approx. N (ppm)
| Fertilizer | Water (gallons) | Approx. N (ppm) |
|---|---|---|
| 1 tsp. | 1 | 245 |
| 1 tbsp. | 2 | 368 |
| 1 cup | 25 | 471 |
Product properties
| Potential basicity | 1518 lbs. calcium carbonate equivalent per ton |
|---|---|
| Conductivity (100 ppm N) | 0.52 mmhos/cm. |
| Maximum solubility | 4 lbs./gal. |
How To Use
- 1. Consult rate tables printed on bag labels.
- 2. Verify product analysis, longevity and rate for plants in your production system (for assistance, contact your regional ICL Territory Manager or call the ICL Lab at 877-467-8522).
- 3. Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions and desired soluble salt levels.
- 4. A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices (test several rates on representative plant types).
- 5. Store in a clean, cool, dry place.
Guranteed Analysis for Peters Professional 21-7-7 Acid Special
| N | Total Nitrogen Nitrate nitrogen (N-NO3) Ammoniacal nitrogen (N-NH4) |
21% 10.4% 10.6% |
| P2O5 | Phosphorus Pentoxide | 7% |
| K2O | Potassium Oxide | 7% |
| S | Sulfur | 13% |
| B | Boron | 0.0262% |
| Fe | Iron Iron EDTA (Fe) |
0.15% 0.15% |
| Mn | Manganese Manganese EDTA (Mn) |
0.05% 0.05% |
| Mo | Molybdenum | 0.01% |
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