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 Enhances the plant’s mechanical strength 
 Improves water use efficiency
 Increases productivity and improves yield


HaifaStim™ Wall-Up S is the most concentrated and efficient source of silicon for plants, based on innovative ortho-silicic acid technology. It also serves as a source of iron (Fe), which is provided as fully water-soluble EDTA chelate – for maximum stability and efficiency.  
HaifaStim™ Wall-Up S helps build plant’s cell walls, thus enhancing mechanical strength, increasing tolerance to abiotic stresses and improving yield quality and extending post-harvest life.
HaifaStim™ Wall-Up S is ideal for foliar application and suitable for Nutrigation™.
HaifaStim™ Wall-Up S is approved in Organic Farming in accordance with Regulations EU 2018/848 and 2021/116


  • 1 kg bags in 12 kg boxes (1008 kg on pallet)
  • 5 kg bags (1140 kg on pallet)
  • 25 kg bags (1000 kg on pallet)


Silicon Oxide (SiO2) total 42.8%
Silicon (Si) 20%
Water soluble Iron (Fe) 5.0%
Iron (Fe) chelated 4.0%
Iron (Fe) as EDTA chelate 1.7%
Iron (Fe) as DTPA chelate 1.7%


pH (in 1% solution) 7.7%
Electrical conductivity EC (1% Solution at 20°C) 2.0 mS/cm
Solubility 1000 g/l

It is recommended to supplement plant nutrition with HaifaStim™ Wall-Up S during periods of maximum production and/or absorption of nutrients. In hydroponics, HaifaStim™ Wall-Up S is recommended throughout the growth cycle.
Compatibility: HaifaStim™ Wall-Up S can be mixed with most plant protection products and foliar fertilizers, except sulfur preparations. To ensure compatibility, carry out a small-scale test before preparing a tank mix.
Download the full product brochure for more explanations and detailed recommendations

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