Natural Zeolite 1200cc (approx. 800g) This is baked zeolite made in Japan. For preventing root rot and soil improvement. The size is approximately 10mm. It will be placed in a resealable bag, put in a box, and sent via postal mail. ◎Purchases made by 3 PM will be shipped the next day Alleviates continuous cropping disorder Increases production and high-quality product yield Improves soil's nutrient retention capacity Adsorbs harmful substances When mixing with soil, use 5-10% of the amount. When mixing with fertilizer, use 10-20% of the fertilizer amount. ◎Personally, I also use it to improve the water quality of my medaka tank, but I have no specialized knowledge. Please understand that I cannot answer questions. We are listing products related to plants and aquatic plants ↓↓↓ #meboukiya #naturalzeolite #bakedzeolite ◎Natural zeolite 1200cc Next day shipping ~10mm size Soil improvement Made in Japan Soil improvement Root rot prevention Thank you for viewing. ◎ Due to capacity limitations, bulk purchases are not available for this product. Thank you for your understanding.