Foliar-Pak® CSi L is one of the most concentrated liquid silicon products in the market at 25% SiO2 by weight.

It is derived from silicic acid, and forms a low molecular weight silica polymer.

  • Foliar-Pak CSi L is paired with a specific amino acid that acts as an osmolyte in the plant—which helps keep water in the cell, creating optimal turgor pressure and rigidity in the turf.
  • Unlike other silicon products on the market, Foliar-Pak CSi L is tank-mix compatible with a variety of other products as it is built to not interact with other molecules in the spray tank.
  • Owing to its small molecular weight and size, Foliar-Pak CSi L moves through the foliage very easily, unlike other silicon products such as silicates and slags that are not soluble, and therefore are not readily available for plant uptake and use.
  • Silicon delivered from Foliar-Pak CSi L will increase plant turgidity, resulting in more upright growth, smoother surfaces, better green speed and better wear tolerance.
mitch hooten headshot
West Michigan Whitecaps
Mitch Hooten, Head Groundskeeper

“I want sports turf managers to be aware of how great of a response is achieved from CSi L. It’s not only a golf greens product but does an incredible

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jon price on course green
Village Club of Lake Success
Jon Price, Golf Course Superintendent

Jon Price, Golf Course Superintendent at Village Club of Lake Success, has complete confidence in Foliar-Pak because of its people and its products. “Foliar-Pak’s employees have expert knowledge about how

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Eagle Creek Golf & Country Club
Jimmy Alston, Golf Course Superintendent

“I feel like I’ve tried just about every seaweed extract product out there. I have not found one that works as well for rooting, is as concentrated, or as clean

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