Monosilicic Acid for hydroponic plants
FloraMax Silica 0-0-8 contains 16% silica* present as Meta-silicic Acid (“MTSA”) and Mono-silicic Acid (“MSA”). These compounds are 100% bio-available and completely soluble in nutrient solutions. This yields several benefits for hydroponic growers:
- Improves the rigidity of stems and leaves.
- Helps prevent leaf wilt during extreme heat.
- Helps increase the potency, weight and shelf-life of produce.
- FloraMax Silica is highly concentrated. 1.05 Qrt (1.0 litre) makes 1,050 – 2,640 Gal (4,000 – 10,000 litres) of nutrients.
- Highly stable shelf-life exceeds 20 years (testing origins predate 1998).
- Dosage: 0.1-0.25ml/L (0.25 – 1 ml/Gal) during veg and flower. Silica should be applied to an existing nutrient solution and used throughout both veg and flower. Silica is also very effective as a foliar spray at 3ml/L (3ml/Qrt).
* Reference: Molybdosilicate Method 4500-Si D., Standard Methods for the Examination of Water and Waste Water, 19th Edition 1995, p4-118,119. Prepared and published jointly by American Public Health Association, American Water Works Association and the Water Environment Federation.
Plant available forms of silica? To ensure plant availability, silica needs to be present in the nutrient solution in a soluble form. This is achieved by hydrating the silica molecule:
• SiO2 + 1H2O —> SiO3H2 (metasilicic acid, “MTSA” – smaller molecule)
• SiO2 + 2H2O —> SiO4H4 (mono silicic acid or orthosilicic acid, “MSA” – larger molecule)
Why use a silica nutrient for hydroponic plants? Hydroponic plants are often susceptible to bud rot and leaf wilt, especially when exposed to heat from HID lamps. Silica helps strengthen plant cells to prevent weak or limp growth. Silica, known chemically as silicon dioxide (SiO2), is the chemical form that silicon (Si) adopts in plant matter. Silica is NOT the same as silicon. Silicon is the stuff computer chips and car polishes are made from.
Combating heat stress: FloraMax Silica is very effective for combating leaf wilt during summer heat. Prevention treatment is best done by applying silica as a foliar spray 3ml/L (3ml/Qrt). This typically allows plants to endure ambient grow room temperatures upwards of 40 deg C (104 deg F). Foliage remains rigid and turgid so that photosynthesis can continue unaffected.
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