• Description
  • Product Features
  • Specifications
  • Application Rates

⚠️ HAZARDOUS MATERIAL — UN1499, Class 5.1, PG III (Oxidizer)
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MasterBlend 9-12-34 Strawberry Formula

Formulated specifically for strawberry production, MasterBlend 9-12-34 delivers a precise balance of nitrogen, phosphorus, and potassium to support vigorous growth, fruit set, and yield — in both soil-based and hydroponic systems.

  • ✅ 100% water-soluble — dissolves completely with zero fallout
  • ✅ Clog-free — safe for sprayers and automated fertilizer delivery systems
  • ✅ Versatile — compatible with soil, coco, and hydroponic growing media
  • ✅ Precision NPK — 9-12-34 ratio optimized for strawberry crop requirements

Pair with MasterBlend Calcium Nitrate and Epsom Salt for a complete 3-part nutrient program.

25 lb. bag | Manufactured by MasterBlend International

  • High Analysis: 9-12-34 complete with chelated micro-nutrients
  • Pure: Low in sodium, chloride and heavy metals.
  • Water Soluble: Maximum solubility: 2.5 lbs. per gallon

9-12-34 Strawberry Formula Guaranteed Analysis

Total Nitrogen (N)
9% Nitrate Nitrogen		9%
Available Phosphate (P2O5)12%
Soluble Potash (K2O)34%
Magnesium (Mg) (Total)
0.50% Water Soluble Magnesium (Mg)		0.50%
Boron (B)0.08%
Copper (Cu)
0.05% Chelated Copper (Cu)		0.05%
Iron (Fe)
0.40% Chelated Iron (Fe)
0.10% Water-Soluble Iron (Fe)		0.40%
Molybdenum (Mo)0.008%
Zinc (Zn)
0.03% Chelated Zinc (Zn)		0.03%

  • Plant nutrients derived from: potassium nitrate, potassium phosphate, sodium nitrate, magnesium sulfate, boric acid, copper EDTA, iron DTPA, iron sulfate, sodium molybdate, zinc EDTA.
  • Potential Basicity:  350 lbs. Calcium Carbonate Equivalent Per Ton.

Spray Tank:
Mix 6 oz. in 100 gallons of water with 4 oz. of Magnesium Sulfate. Once solution is completely combined, add 6 oz. of Calcium Nitrate.
Apply 1 quart per square foot as a normal watering on a 1 to 2 week basis.  Adjust PH to 6.4 – 6.8.


Transplants:
Mix 4 oz. in 100 gallons of water with 2.5 oz. of Magnesium Sulfate. Once solution is completely combined, add 4 oz. of Calcium Nitrate.
Apply on a 2 – 3 week basis.


CAUTION:

  • Some crops may be injured by application of Boron.
  • This fertilizer is to be used only on soils that respond to Molybdenum.
  • Crops high in Molybdenum are toxic to ruminants.

Use this product only after a thorough water quality analysis has been performed.  Discuss results with an expert.  Weekly testing may be necessary.  Be certain to monitor media quality as well. Soil and plant tissue analysis are also recommended.

MasterBlend 9-12-34 Strawberry Formula 25 lb.

MasterBlend 9-12-34 Strawberry Formula 25 lb.

HAZ-MAT: UN1499, SODIUM NITRATE AND POTASSIUM NITRATE MIXTURES, 5.1, PGIII

UPS HAZMAT FEE: $33.0

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$1.69 lb
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What Makes Us Different

At the leading edge of the market, Custom Hydro stands out by providing the growing industry with fertilizers that are not only of premium quality but also feature innovative
solutions tailored for the unique needs of hydroponic and organic farming practices.

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