Pro Powders Silica Potassium Silicate
Best nutrient supplement for growers seeking stronger, more resilient plant structures.
This high-purity powder is the secret to rigid, upright stems that won't buckle under the weight of heavy blooms. While it requires the extra step of mixing, the 100% bioavailability makes it a far more effective way to fortify your plants against environmental stress than standard liquid alternatives.
$17.30
at
Custom Hydro
Who it's for
- Gardeners managing plants in harsh or unpredictable climates
- Efficiency-focused growers maximizing their fertilizer investment
- Fruit and flower enthusiasts seeking larger, healthier yields
Who should skip it
- Beginners uncomfortable with frequent pH monitoring and adjustment
- Hydroponic users wanting a low-maintenance, clog-free irrigation system
- Growers preferring a simple, flexible nutrient mixing routine
Performance breakdown
Structural reinforcement
High silica concentration significantly fortifies cell walls against environmental stressors.
Solubility efficiency
Dissolves cleanly for seamless integration into complex hydroponic nutrient reservoirs.
Nutrient bioavailability
Rapidly accessible silicic acid ensures immediate uptake for developing plant tissues.
Purity standards
Minimal heavy metal and chloride content protects sensitive root systems.
Application versatility
Performs equally well as a foliar spray or soil drench.
Concentration density
Potent 0-0-33 formula delivers high-impact results with smaller application volumes.
Key Specs
Fertilizer Grade
0-0-33 with 53% SiO2
Guaranteed Analysis
33.0% Soluble Potash (K2O)
Contains
53.0% Soluble Silica (SiO2)
Derived From
Potassium Silicate
Weight
50 lb. bag
Purity
Low in sodium, chloride, and heavy metals
Fertilizer Source
Mineral Based
Nitrogen
0.0%
Phosphorus
0.0%
Potassium
33.0%
Know before you buy
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