potassium silicate
What is Potassium silicate? Potassium silicate, also known as "soluble glass" or "potassium silicate", is a colorless crystalline mineral compound with the chemical formula K2SiO3. This substance consists of two important elements for plants, namely potassium and silica. Potassium silicate occurs naturally in soil, but its concentration is usually low. For this reason, this compound