- Description
- Product Features
- Specifications
ICL PeaK™ MKP Mono-Potassium Phosphate 0-52-34 – 50 lb
ICL PeaK MKP is the most concentrated commercial fertilizer known — delivering 52% P₂O₅ and 34% K₂O (86% combined) in a fully water-soluble, fast-dissolving form. Engineered for professional hydroponics, fertigation, and foliar programs.
Analysis
- Phosphorus (P₂O₅): 52%
- Potassium (K₂O): 34%
- 1 gram per gallon yields ~60 ppm P and ~75 ppm K
Key Features
- 100% water-soluble — non-hygroscopic, free-flowing, does not cake
- Lowest salt index (8.4) among known soluble fertilizer salts
- Chloride-free and very low sodium (max 20 ppm Cl, max 50 ppm Na)
- No harmful residues — no clogging of pipes or drippers
- USEPA registered biopesticide (since 1998) — fungicidal activity against powdery mildew
- Nitrogen-free — precise N management in nutrient programs
- pH 4.5 — effective buffer additive for pesticide tank mixes
Ideal Application Methods
- Hydroponic nutrient solutions
- Fertigation: drip, micro-jet, center pivot, sprinklers
- Foliar spray programs (1–3% concentration)
- Starter fertilizer and seedbed applications
- Soluble NPK blends and liquid fertilizer production
Packaging
- 50 lb bag (42 × 50 lb bags per full pallet)
Technical Documentation
- High Analysis: Guaranteed Analysis 0-52-34 MKP is the most concentrated commercial fertilizer on the market.
- Pure: Low in chloride, sodium and heavy metals.
- Water Soluble: Up to 1.73 pounds per gallon dissolves easily to a clear solution free of sediment and precipitates that can clog drip irrigation systems.
| ICL PeaK MKP typical analysis | ||||
| Phosphorus | P2O5 | 52.0 | % | Typical |
| Potassium | K2O | 34.4 | % | Typical |
| Chloride | Cl | 100 | ppm | Maximum |
| Sodium | Na | 100 | ppm | Maximum |
| Cadmium | Cd | < 1 | ppm | Guaranteed |
| Heavy metals | < 10 | ppm | Guaranteed | |
| Insoluble material | <0.1 | % | Guaranteed | |
| Humidity | 0.2 | % | Maximum | |
| pH | (aq. sol. 1-5%) | 5 ± 0.5 | ||
| Salt index | 8.4 | |||
| Solubility | (20°C) 213 g/L (saturated solution) | 1.77 pounds/gallon | ||
ICL PeaK MKP 0-52-34 Fertilizer 50 lb
ICL PeaK MKP 0-52-34 Fertilizer 50 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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Premium Quality
The Mark of Trusted Quality.
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Highest Purity
Never Compromise on the Quality of Inputs.
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Crop Specific
Customized Fertilizer for your Favorite Crops.
Wonderful product. Great results.
We like this fertilizer, very easy to dissolve in water for foliar or drip applications. Very pure, easy to order, fast shipping.