Buy this item and earn 16 points valued at $0.32.

The SenSafe™ Total Chlorine Water Check test strip is a TMK (Thio-Michler's Ketone) Colourimetric Aperture Strip designed around patented technology to meet USEPA guidelines for screening all drinking water sources. The water quality test reports accurate results from 0.02 ppm (mg/L) to 10.0 ppm (mg/L).

Forms of Chlorine in Water - Chlorine test kits measure either free chlorine or total chlorine in water.

Free Chlorine - Free chlorine is defined as the concentration of residual chlorine in water present as dissolved gas (Cl2), hypochlorous acid (HOCl), and/or hypochlorite ion (OCl-). The three forms of free chlorine exist together in equilibrium.

Combined Chlorine - Combined chlorine is defined as the residual chlorine existing in water in chemical combination with ammonia or organic amines which can be found in natural or polluted waters. Ammonia is sometimes deliberately added to chlorinated public water supplies to provide inorganic chloramines.

Total Chlorine - Total chlorine is the sum of free and combined chlorine. When chlorinating most potable water supplies, total chlorine is essentially equal to free chlorine since the concentration of ammonia or organic nitrogen compounds (needed to form combined chlorine) will be very low. When chloramines are present in the municipal water supply, then total chlorine will be higher than free chlorine.

US Patented SenSafe™ Total Chlorine Water Check makes on-site and field testing quicker and easier than current methods available. Since there are no powders or tablets to mix, no technical training is required, no hazardous chemicals are used, and water quality test results are achieved in less than 1 minute, the SenSafe™ Total Chlorine Water Check test strip promise to revolutionize water quality testing.

Part # 480010. Testing time 15 seconds. Testing range 0, 0.05, 0.1, 0.15, 0.2, 0.5, 0.8, 1.0, 4.0, 10.0 ppm (mg/L).

If you are not convinced about the dangers of chlorine in your tap water, here's an extract from: Dr Z Rona MD MSc "Most people never give it a thought. After all, our elected public officials keep assuring us that chlorinated city tap water is completely safe for human consumption. Numerous scientific studies report that chlorinated tap water is a skin irritant and can be associated with rashes like eczema. Chlorinated water can destroy polyunsaturated fatty acids and vitamin E in the body while generating toxins capable of free radical damage (oxidation). This might explain why supplementation of the diet with essential fatty acids like flax seed oil, evening primrose oil, borage oil and antioxidants like vitamin E, selenium and others helps so many cases of eczema and dry skin.

"Chlorinated water destroys much of the intestinal flora, the friendly bacteria that help in the digestion of food and which protects the body from harmful pathogens. These bacteria are also responsible for the manufacture of several important vitamins like vitamin B12 and vitamin K. It is not uncommon for chronic skin conditions like acne, psoriasis, seborrhea and eczema to clear up or to be significantly improved by switching to unchlorinated drinking water and supplementing the diet with lactobacillus acidophilus and bifidus.

"Chlorinated water contains chemical compounds called trihalomethanes which are carcinogens resulting from the combination of chlorine with compounds in water. These chemicals, also known as organochlorides, do not degrade very well and are generally stored in the fatty tissues of the body (breast, other fatty areas, mother's milk, blood and semen). Organochlorides can cause mutations by altering DNA, suppress immune system function and interfere with the natural controls of cell growth.

"Chlorine has been documented to aggravate asthma, especially in those children who make use of chlorinated swimming pools. Several studies also link chlorine and chlorinated by-products to a greater incidence of bladder, breast and bowel cancer as well as malignant melanoma. One study even links the use of chlorinated tap water to congenital cardiac anomalies.

"Anything you can do to filter tap and shower water that eliminates or even minimizes chlorine would certainly be helpful and possibly curative for some immune system problems. The use of at source water filtration devices is increasingly popular and affordable. Discuss their use with your health care practitioner".