Royal Black's natural buffering, chelating and extremely high ion exchange properties make mineral elements easier for plants to absorb, improving crop quality and yield!
- 1.1 kg
- Shipping Time: 1-3 days1
16mL per 4L
|ROYAL BLACK 0-0-1||BASIC||EXTREME*|
*Extreme feeding schedules are designed for advanced gardeners only, and are designed to be used in conjunction with our full product line.