Peters Professional 5-11-26 Hydroponic Special is a trusted commercial-grade, water-soluble fertilizer engineered specifically for hydroponic growing systems. Widely used by professional growers and serious hobbyists, this high-performance base nutrient delivers precise nutrition for heavy-feeding crops including tomatoes, cucumbers, peppers, lettuce, herbs, and leafy greens.
Designed for use in recirculating hydroponic systems, drip irrigation, NFT, deep water culture (DWC), and fertigation setups, this formula provides essential nitrogen, phosphorus, potassium, magnesium, and chelated micronutrients for vigorous growth, improved nutrient uptake, and consistent crop performance.
This formula is intended to be paired with Calcium Nitrate in a two-part feeding program to create a complete hydroponic nutrient solution.
Key Features & Benefits
- Professional hydroponic fertilizer formula trusted by commercial growers
- Balanced 5-11-26 NPK ratio optimized for hydroponic fruiting and flowering crops
- 100% water-soluble for clean mixing and reliable injector performance
- All nitrate nitrogen supports rapid nutrient absorption and stable growth
- Includes magnesium and fully chelated micronutrients
- Exclusive M-77 chelation technology improves micronutrient availability
- pH-buffered formula helps stabilize nutrient solution performance
- Excellent for hydroponics, greenhouse growing, fertigation, and soilless media
- Highly concentrated formula for economical large-scale feeding
Guaranteed Analysis
- 5% Total Nitrogen (Nitrate Nitrogen)
- 11% Available Phosphate
- 26% Soluble Potash
Also contains magnesium and essential trace elements for complete crop support when used alongside Calcium Nitrate.
Ideal For
- Hydroponic systems
- Deep Water Culture (DWC)
- Recirculating systems
- Drip irrigation
- NFT systems
- Greenhouse crops
- Tomatoes
- Cucumbers
- Lettuce
- Herbs
- Peppers
- Commercial vegetable production
Professional Growing Performance
Peters Professional Hydroponic Special is formulated for growers who demand precision, consistency, and maximum solubility from their nutrient program. Its clean-dissolving formulation helps reduce clogging in injectors and irrigation equipment while delivering reliable plant nutrition throughout all growth stages.
Whether you're managing a commercial greenhouse or an indoor hydroponic garden, this professional-grade fertilizer helps support strong root development, vigorous vegetative growth, abundant flowering, and improved fruit production.
Solubility
- Maximum Solubility: 3 lbs per gallon
Important Use Note
This product is designed to be used alongside Calcium Nitrate as part of a complete multi-part hydroponic nutrient program.
