9679; Humboldt Nutrients' Structural Integrity is a fertilizer supplement which, when used in conjunction with a regular fertilization program, can help you reach all of your growing goals. 9679; Humboldt Nutrients' Structural Integrity is a fertilizer supplement which, when used in conjunction with a regular fertilization program, can help you reach all of your growing goals. 9679; Product most effective if used in same season. — Use only as directed. — Keep out of direct sunlight during storage or extended periods of time. 9679; Store at room temperature. 9679; Wear proper protective clothing. Guaranteed Analysis Silicon (Si)...6.0% 6.0% Water Soluble Silicon (Si) Derived from: Silicate Directions Application Rates: Hydroponics Application: Use 1-3ml per gallon of reservoir water. Change nutrient solution weekly to avoid excess sediment. General Application: Use 1-3ml per gallon of water every 1-2 weeks. Foliar Application: Use 1-3ml per gallon of finished spray solution.
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