Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. Dolomite powder used in the aquaculture industry for created for water alkalinity.
Total alkalinity is the total amount of sodium bicarbonate (HCO3-) and carbonate (CO32-) in water, converted into mg/L (ppm) of calcium carbonate (CaCO3).
Water alkalinity for black tiger prawn farming:
• Newly released prawn: 80 - 100ppm
• 45 days or older prawn: 100 - 130ppm
• 90 days or older prawn: 130-160 ppm
Water alkalinity for whiteleg shrimp farming:
• Newly released shrimp: 100 - 120ppm
• 45 days or older shrimp: 120 - 150ppm
• 90 days or older shrimp: 150-200 ppm
If alkalinity is low, use lime or dolomite 30-50kg/1600m2 one time every 2-3 days until the pH reaches the required levels.
Alkalinity is a pH buffer that provides CO2 for photosynthesis of algae and plants in water.
When water alkalinity is high, pH is more stable and less changeable.
Below pH 8.3, alkalinity is present mostly as bicarbonate (HCO3- )
No.18 Son Ha Minerals Co., Ltd is one of the leading manufacturer and supplier dolomite powder for aquaculture sector.
If you have demand to import dolomite powder or need more information, please don't hesitate to contact with us.
No.18 Son Ha Minerals Co.,Ltd
Address: Mam Xoi Mountain, Thanh Son Commune, Kim Bang District, Ha Nam Province, VN
Telephone: +84 936 212 598
Hotline: +84 986 358 011 (Whatsapp / Wechat) - Mr. Thomas