Lo-Chlor

Description

New cost-effective method for removing dissolved phosphates to control unwanted algal growth in large marine mammal exhibits. Traditional algal control approaches (ozonation, chlorination, diver pool-scrubbings, and pool draining) present constant maintenance challenges in seawater marine mammal display pools. These current treatments for minimizing algal growth depend on the use of high total chlorine concentrations, which promote high oxidant (ORE) levels. This excessive use of chlorine and oxidant has a negative impact on animal health, pool paint, and life support infrastructure. Over time, the resultant nutrient loading in the water column encourages increased algal growth. This cyclical process not only increases nutrient loads within the water column but also creates a eutrophic environment. The natural supply of nutrients carbon, nitrogen and phosphorus to the pool display is a prerequisite for algal growth. Of the three nutrients, most marine mammal pool systems contain excessive concentrations of dissolved phosphates. This condition is referred to as eutrophication, a process that occurs when production and consumption of organic matter in a pool system no longer cancel each other out.

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