PETER'S PROFESSIONAL 21-7-7 25LB
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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.
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
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 |
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