- Description
Description
Masterblend 5-11-26 Hydroponic Formula is a water-soluble fertilizer designed for hydroponic growing systems. It completely dissolves in water without leaving residue or clogging automated irrigation and spray systems. It is typically used in a 3-part system alongside calcium nitrate and magnesium sulfate (Epsom salt).Â
Key Features
- Water Solubility: Fully dissolves with no fallout.
- System Safe: Will not clog automated injectors or sprayers.
- Maximum Solubility: 3.5 lbs per gallon.
- Potential Basicity: 221 lbs calcium carbonate equivalent per ton.
Derived Nutrients
- Potassium nitrate
- Potassium phosphate
- Magnesium sulfate
- Boric acid
- Copper EDTA
- Iron DTPA
- Sodium molybdate
- Zinc EDTAÂ
Standard Application Ratios
According to general user consensus on platforms like Reddit Hydroponics, growers typically mix the components in a balanced ratio (such as 2:1:2 for Masterblend, Epsom salt, and calcium nitrate).Â
- Commercial baseline: Dissolve 8 lbs of 5-11-26 per 1,000 gallons of water, followed by Epsom salt, and then 86 oz of calcium nitrate.
Not registered in CA.












