Silica (Si) is not considered an essential plant nutrient

Decoctions of horsetail

NET WEIGHT: 70 g

Epsom salt is a rich source of magnesium

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Kisel Silica (Si) is not consideredSilica (Si) is not considered an essential plant nutrient, but it should be in every plant magician's magic box. Silicon improves plants' ability to convert sunlight and carbon dioxide into carbohydrates through photosynthesis, which increases their growth and biomass. The substance also strengthens plants' outer tissues, making them more resistant to drought and wind, increases their resistance to fungal diseases such as powdery mildew, rust and leaf