Alkalinity Of Water

26/09/2017

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No.18 SON HA MINERALS CO., LTD

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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: +84 904 305 458

Fax: +84243.5190937

Hotline: +84 932 222 698/ +84 931 717 698/ +84 934 555 198

Email: export1.shcgroup@gmail.com

Skype: export1.shcgroup

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