1. What is Oxyben Bleach and why Sodium percarbonate is on the rise?

2. Detergent contains Sodium Percarbonate

3. How does Sodium Percarbonate work in aquatic farming like fish farming and shrimp farming ponds?

4. What is Potassium Monopersufate?

5. What is Oxygen Shock? and why we call it as Superchlorination alternative

Sodium Percarbonate or Sodium Carbonate Peroxyhdarte is a granular form of hydrogen peroxide, which is easier and safer to apply than liquid form. Its active ingredient, creates a powerful oxidation reaction that destroys algal cell membranes and chlorophyll, providing immediate control of algae. Fast-acting (within 60 sec of application), it biodegrades completely and adds 13% bio-available oxygen to the water. Can be applied for spot or perimeter treatment. For spot treatments apply at a rate of 10-25kg/acre-foot; for algae blooms apply at a rate of 5-15kgs/acre-foot; for filamentous algae blooms treat at a rate of 25-40 lkgs/acre-foot.

Sodium percarbonate is relatively easy to transport, handle, and apply, even to larger pond areas. Using a spoon and balance for dosing can be more convenient than handling solutions of hydrogen peroxide. In addition, the release of sodium carbonate has a stabilizing effect on the pH of the water. Although the cost is higher than that of the hydrogen peroxide solutions that are widely used, sodium percarbonate will release its hydrogen peroxide over a longer period, thereby avoiding the large fluctuations in concentration that are associated with the use of hydrogen peroxide. The transportation of Sodium percarbonate is also safer and does not require special tanks. Accidental spills of hydrogen peroxide may have an immediate adverse effect on the skin of personnel in aquacultural enterprises. In contrast, with sodium percarbonate (which is a granulate or powder), such spills can be at least partly cleaned up before they cause injury.

As the tolerance of different fish species to chemicals may vary considerably, thorough testing of a particular species (such as determining the median lethal concentrations in the laboratory and under prevailing farm conditions) should be undertaken before a compound is used. However, it should be mentioned that Sodium percarbonate is currently used at concentrations of 50–100 mg/L twice a week for treating rainbow trout ponds, and no adverse effects on the fish have been reported.

We also produce calcium peroxide for shrimp farming, it release oxygen at controled rate, it is specially formulated for Shrimp Farm / Aquaculture improves productivity of Shrimp Farms through better management of pond water and soil quality calcium peroxide: Dr.John Wickins with the Fisheris Laboratory at Conwy. England provided the following inforation abou use of calcium peroxide granules in Janpanese shrimp and eels farms.

the granules are composed of about 60 percent calcium peroxide (CaO2), with the remaining ingredients being calcium carbonate and calcium hydroxide, the granules gradually dissolve in water to release oxygen (84,000 ml oxygen per kg of CaO2) over a peroid of one to three months according to the following reaction:

CaO2 + H2O --> Ca(OH)2 + O

successful results were achieved in Japanese ponds by evenly scattering the granules throughout the pond at a rate of 50g/m2 (clean pond bottom) or 100 g/m2 (reduced bottom). After the initial application. Additional treatments at about half the original rate were applied monthly. Mud samples from treated ponds were lower in total sulfide, H2S, organic matter and oxygen consumption than those from untreated ponds. Eels in treated ponds grew more rapidly and converted food more efficiently than those in untreated ponds.

Composed By: Jerry Zheng E-mail: info@runyoutech.com

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