- Description
Mono-Potassium Phosphate (MKP) 0-52-34 – 20 lb
High-purity mono-potassium phosphate (MKP) is the most concentrated straight fertilizer containing phosphorus and potassium — fully water-soluble, fast-dissolving, and with the lowest salt index (8.4) among known soluble fertilizer salts.
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) — safe for foliar, seedbeds, transplants, and sensitive crops
- 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 — fungicidal activity against powdery mildew
- Nitrogen-free — precise N management in nutrient programs
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
- 20 lb pail
MKP Mono-Potassium Phosphate 20 lb
MKP Mono-Potassium Phosphate 20 lb
Questions about this item? Be the first to ask here.
Low stock: 10 left
Save even more with a Commercial Account
Qualified buyers save 5–12% on every order
Couldn't load pickup availability
Share:
Contact Us

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.
-
Premium Quality
The Mark of Trusted Quality.
-
Highest Purity
Never Compromise on the Quality of Inputs.
-
Crop Specific
Customized Fertilizer for your Favorite Crops.
Great website and very fast shipping with thorough communication from start to finish. Will be ordering again.
First time using great stuff