Novozymes PondDtox - Brochure

The only safeguard against toxic hydrogen sulfide.

Hydrogen sulfide is a common, but toxic metabolite formed in aquaculture ponds. When aerobic bacteria break down excess feed and accumulated organic waste, oxygen is depleted, and the result is anaerobic zones where sulfatereducing bacteria will thrive. This results in the buildup of hydrogen sulfide. Continued exposure to hydrogen sulfide will kill aquatic animals, and even levels as low as 0.002 ppm have shown to negatively affect aquatic life. Common signs of a pond with hydrogen sulfide problems are patches of black bottom sludge, reduced feeding, and increased mortality after 35–45 days of stocking or during the later stages of culture.

PondDtox® is the world’s only microbial solution that can both prevent and remedy a hydrogen sulfide-infected pond. When applied, the bacterium Paracoccus pantotrophus oxidizes the hydrogen sulfide into harmless compounds.