![]() They erode consistently for even dosing and are designed to not soften and clog the system. These high-quality tablets are approved for use in septic systems. H2O offers the Crapzapper line of calcium hypochlorite tablets. Make sure that you use only calcium hypochlorite tablets and that you never mix tablets from different manufacturers or different types of chlorine, as this may result in unsafe conditions. If you’ve been buying tablets from Walmart or the pool supply store, you very likely are using a stabilized form of chlorine like Trichlor. Calcium hypochlorite for use with sewage treatment doesn’t contain these stabilizers thus, when the calcium hypochlorite is released into the body of water, the sun rapidly breaks it down, minimizing the impact to vegetation and the natural environment. To reduce this problem, pool tablets include stabilizers that slow this process. In pools, sunlight rapidly breaks down chlorine. ![]() To understand why the government doesn’t want anything other than calcium hypochlorite used for sewage treatment, it is important to know why Trichlor was designed. With respect to sewage treatment systems, the EPA has certified only calcium hypochlorite for this use. Under a federal act called FIFRA (Federal Insecticide, Fungicide and Rodenticide Act), registered pesticides such as chlorine tablets can be used only in ways that align with their labeling. In pool chlorinators, high velocity can break up and dissolve this mass, but in tablet feeders the swollen tablets can easily clog the feeder tube, preventing the tablets from falling to the bottom of the housing to be dissolved. In low-quality chlorine tablets, cheap filler material and poor manufacturing can cause the tablets to swell. Furthermore, when mixed, Trichlor and other forms of hypochlorite can react violently with each other, leading to explosion.Īll chlorine tablets include fillers. If your marine sanitation device is corroding severely, this may be the cause. Under these conditions, the tablet will release toxic gasses that not only are dangerous but will corrode everything they contact. When used in a tablet feeder, like those employed by most wastewater systems, the tablets are only partially submerged. While this form of chlorine is great for swimming pools, it is made to be completely submerged in water. ![]() It’s true that they are all commodity chemicals, but several different forms of chlorine tablets are commonly available the difference can cause serious safety, operations, legal and environmental problems for you and the crew.Safety Reasons: Swimming pool chlorine tablets are typically composed of trichloroisocyanuric acid on the package, you’ll see this marked as Trichlor or trichloro-s. Chlorine tablets are all the same, right? Nope … and the difference is more important than you might think.
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