Pacific Fertiliser releases a solution grade gypsum products called, SuperFlocc Gypsum which is made from ultra fine mined gypsum. SuperFlocc G110 can be suitable for flocculation and aerial applications in industrial, agricultural and civil operations.
The ground gypsum can be mixed with water and applied via irrigation, spread aerially, or added to dams for flocculation (to reduce water turbidity). It has a mean particle size of <35um making it an ultra fine grade A gypsum.
Flocculation Dosage Rates using gypsum (calcium sulfate) are generally between 3 to 10 kg per 10,000 lts (10kL). Effectiveness is based on gypsum purity and particle size. The gypsum needs to be spread evenly across water surface. Generally takes 36 to 72 hours to flocculate and settle, this is dependent on water quality, gypsum quality and dosage rates.
The best thing to do is a jar or bucket test using slightly varying rates of gypsum on the actual water to be treated, leaving them over night to find the most efficient dosage rate.
Pacific Fertiliser can also supply solution grade ag lime and soft rock phosphate.
