biopreparados.es

Water glass (homemade sodium silicate)

Water glass (homemade sodium silicate)

Plant vitality Other Mineral

Other

A preparation method specific to this particular record, different from the four usual methods (infusion, decoction, maceration, fermentation).

Process summary

See the record itself for the detailed step-by-step process — there is no single generic process for this category.

See all preparation methods

⚠️ Tolerated

An alkaline liquid product traditionally used for foliar application and as a nutritional supplement.

Application

Application description: Apply as a foliar spray as a nutritional supplement. The sources consulted do not specify an exact dilution ratio for field use: it is recommended to test the solution on a few plants before applying it to the entire field, and to adjust the concentration based on the measured pH (10–12).

Dose: Dilution is not standardized in the sources consulted; validate with a preliminary test before widespread application.

Full recipe reserved for members

This recipe is freely viewable for its summary, but the full ingredients, dosage and application method are reserved for members. Create a free account or sign in to see the complete recipe.

Create a free account Log in

Content hidden: this page is protected. Close developer tools to keep viewing it.

Regulatory status

⚠️ Tolerated (under conditions)

The recipe is presented as a foliar nutrient supplement for personal use, which does not require phytosanitary authorization. Sodium silicate is not among the fertilizers permitted in organic farming, and ash is permitted only if it comes from untreated wood. The solution is highly alkaline (pH 10–12) and caustic.

Official texts

Official sources automatically checked on 20/10/2026.

What the icons mean: ✅ Authorised ⚠️ Tolerated 🟠 Not prohibited ⛔ Not authorised EU 🔎 Status being verified Full details →

Documentary information, checked on 12/10/2026. Not a substitute for legal advice; regulations may vary from country to country. See the regulations · Substances authorised in Europe

Related recipes

Plant vitality

Fructose solution

✅ Authorised EU
Plant vitality

Diluted cow's milk

✅ Authorised EU
Plant vitality

Diluted milk whey (whey)

✅ Authorised EU
Plant vitality

Willow Bark (Salix spp.) Infusion

✅ Authorised EU
Plant vitality

Horsetail (Equisetum arvense) Decoction

✅ Authorised EU
Plant vitality

Sucrose (sugar) solution

✅ Authorised EU