Montana Grow Silica Powder

Montana Grow Silica Powder is an organic silica supplement made from volcanic ash

It is an ideal soil conditioner that promotes plant fertility, encourages increased photosynthesis, and strengthens plant structure; in addition, it enhances disease and pest resistance. This silicon-rich source of potassium helps ensure healthy and strong growth of your plants.

• A silica supplement derived from 40-million-year-old amorphous volcanic ash
• A silicon rich source of potassium and an available form of silicon dioxide
• Enhances soil fertility while improving disease and pest resistance
• Increases photosynthesis and improves plant structure

Available in: 5 lb. jar / 35 lb. bucket / 50 lb. bag

Ingredients

Silicon Dionxide (SiO2) derived from volcanic tuff mined minerals unprocessed–76%

Inert Material–24%

Application Rates

Planting: Mix ½-1 cup per 7.5 gallons of growing medium, or 4-8 ounces per cubic foot of growing medium. 100-200 lbs. per acre.

Feeding: Top dress plants with 2 tbsp. every 7–14 days as needed.

Compatibility: Can be used with most insecticides, fungicides, and herbicides. Works well with fertilizers.

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Product Safety Data Sheet

The complete guaranteed analysis is printed on the product label below. Want it as a sheet? Print the spec sheet →

Product label — tap to view or download:

Orders ship from our Nevada City store, with free local pickup available — usually ready in 24 hours. Unopened items can be returned — see our return policy. For freight or wholesale quantities, contact our commercial team.