Roots Organics HPK gives your garden an extra boost by adding the potassium and magnesium from langbeinite to a combination of seabird guano and phosphate rock.
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- Excellent bloom booster
- Made with minimal processing
- Available in 1-quart to 5-gallon sizes
- Commercial sizes available from 15 to 265 gallons
In addition to the natural phosphorus found in seabird guano and phosphate rock, this unique formula gives you the added power of potassium and magnesium from langbeinite, which is mined from the ancient sea beds of the American southwest and then distilled into this easy-to-use product.
TECHNICAL SPECIFICATIONS & CHARTS
Please select a variation to see its technical specifications
DIRECTIONS
Soil or Hydroponics
Add 1 TBS (15 ml) per gallon. Use during fruiting or flowering.
