Evolution Aqua De-ChlorinatorEvolution Aqua De Chlorinator In Line tap water De Toxifier has been designed to make cleansing tap water easy and fast. Chlorine is harmful to the delicate gills and protective membrane of pond fish. It can cause burns and even fatalities to your pond fish. Attaching the In Line De Toxifier to your water connection, couldn't be easier. It is ready to use straight from the box. Using the fittings included, attach to the hose pipe and it will treat the