Botanicare Silica Blast Plant Bio-mass Yield Enhancer stengthens plant tissue so they can flourish in adverse environmental conditions such as heat, drought, and frost. 

Derived from Sodium Silicate and Potassium Silicate, this nutrient supplement also enhances bloom and fruiting yields!

Silica Blast works well with both potted plants and hydroponics gardens. Add it to your existing fertilizer program.

Application Rate:

Hydroponics - For mid-sized plants, use 1/2 teaspoon per gallon. With mature plants, use 1 teaspoon per gallon (achieves 105 ppm silicate). Apply to reservoir every 5 to 7 days.
Soil or potted plants - Use 1/2 - 1 teaspoon per gallon of water. Apply each time, or every other watering.

More info (PDF format)