Zeolite is available in four particle sizes: extra-fine (0.5–1 mm), fine (1–3 mm), medium (3–6 mm), and coarse (6–9 mm), all in 25 kg bags with identical chemical composition (SiO₂ 68.6%, Al₂O₃ 12.4%, K₂O 2.8%, CaO 2.6%, among others). It is a natural mineral with microscopic alveolar porosity that provides very high cation exchange capacity (CEC), water and nutrient retention, and structural stability. Particle size does not change the chemical properties, but it does define the application: from slow-release fertilizer carrier to drainage and water filtration.
