Skip to product information
1 of 2

Lighthouse Hydroponics

PSi - Pure Uncut Mono Silicic Acid 250 mL

PSi - Pure Uncut Mono Silicic Acid 250 mL

Regular price $50.00 AUD
Regular price Sale price $50.00 AUD
Sale Sold out
Shipping calculated at checkout.

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
View full details


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
🌱 Need more ideas? Check out our Learn more page for extra assistance
🌱 Have a certain budget? Ask us for product recommendations to suit your needs

Shipping available Worldwide | Pick up available Noosaville 5 days per week