Lighthouse Hydroponics
PSi - Pure Uncut Mono Silicic Acid 250 mL
PSi - Pure Uncut Mono Silicic Acid 250 mL
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Features & Benefits
- PSi is a powerful version of stabilized, bio available Mono/Ortho silicic acid for crops.
- PSi has been manufactured with a new process that makes it 30% more effective than any other mono silicic acid products on the market and at a price that everyone can use and see amazing results.
- PSi is a synergistic organic engine that increases nutrient absorption, and the bio availability of all other nutrients by acting as an efficient transporter.
- PSi also helps to self-regulate internodal spacing, especially handy in times of environmental stresses.
- Increases resistance against abiotic stress (drought, salinity, heavy metals) and biotic stress (mould and pests).
- Significantly reduces leaf transpiration (moisture loss).
- Stable and safe without creating any unwanted residue.
- Does not raise the pH of your water or nutrient solution.
- Suitable for all types of crops.
Usage and Tips
- 0.15 mL/L (30 mL per 200 L)
- Double strength to reduce internodal spacing 0.3 mL /L (60 mL per 200 L)
- Foliar 1 mL/L
- Foliar Repair Mode 2 mL/L

Have some Questions or Need more information?
Send us a question via the Reviews form on this page, and our team will get back to you.
🌱 Call (0754 499 693) or email us contact@lighthousehydro.com for dedicated friendly advice
🌱 Come visit us in Noosaville at 8/11 Bartlett Rd for a chat and to see the product
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Shipping available Worldwide | Pick up available Noosaville 5 days per week