Description
Silicon: Essential for Strong, Resilient Plants
The Importance of Silicon in Hydroponics
Silicon is the second most abundant element in the Earth's crust, constituting a significant part of most rocks. Plants absorb silicon from silica dissolved in soil water. However, the concentration of silicon in soil water is typically low, rarely exceeding 20 ppm. This is the level we recommend for hydroponic nutrient solutions.
Benefits of Silicon
Silicon, a beneficial plant nutrient, is naturally found in all soils but has only recently been incorporated into hydroponic nutrient solutions. Silicon strengthens plant cell walls, creating a barrier against water loss, fungal infections (especially mildews), and attacks from insects and mites.
Handling and Care
- Always wear gloves and eye protection.
- Store in a locked cupboard, away from children.
- Dilute with water before adding to the tank.
- Safety data sheets are available upon request.
Available in 1 litre, 5.5 litre, and 20 litre containers.
What is GT Silicon?
GT Silicon is a concentrated mixture of silicic acid and potassium hydroxide, commonly known as potassium silicate. Its primary function is to add silicon to hydroponic nutrient solutions.
How Does Silicon Benefit Plants?
Silicon is deposited in plant cell walls, strengthening them and acting as a protective barrier against environmental stressors. This increased cell wall rigidity helps plants resist insect and fungal attacks, as well as improve tolerance to heat and water stress.
The Role of Beneficial Nutrients
Silicon falls under the category of "beneficial nutrients." While not absolutely essential, these nutrients significantly enhance plant growth. The absence of silicon in nutrient solutions can even be considered a form of stress for the plant.
Using GT Silicon
- Dilution: Silicon cannot be added directly to concentrated nutrient solutions due to precipitation. Instead, add GT Silicon at the rate of 1ml per litre of nutrient solution to achieve a 20 ppm concentration, aligning with the usual Dutch recommendation.
- Frequency: In run-to-waste systems, add GT Silicon when preparing the nutrient solution. In recirculating systems, add GT Silicon to the tank weekly.
- Precautions: GT Silicon is very alkaline. Always check and adjust the pH of the nutrient solution after adding silicon. Avoid contact with skin and clothing.
Expected Results
Using GT Silicon provides plants with significant benefits, primarily increased resistance to pathogens, ensuring stronger, healthier, and more resilient growth.