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Chlorine and Bromine and Chlorine Gas

According to the American Kennel Club, “[a] dog’s eyes, nose and ears are more sensitive than a human’s and as such may be a tad more susceptible to the effects of chlorine.” Despite this heightened sensitivity, a dog’s symptoms seem to be similar to the side-effects experienced by people.

Eve Adamson of the Canine Health Foundation explains that a dog’s chlorine problems are quite similar to a human’s chlorine problems: “Chlorine dries out human hair and skin, and dogs aren’t immune either. Dogs who take frequent dips in the family pool may suffer from dry, itchy skin and a dry, dull coat because the chemicals in pool water strip the skin and coat of their natural oils. Chlorinated water may also have a slight bleaching effect on dark coats, and could even turn lighter coats (gasp!) greenish”.

Like many chemicals with the potential to be dangerous, the hazards of chlorine exposure are dose dependent. Pool water contains very dilute levels of chlorine, and is unlikely to cause chlorine poisoning in humans or animals. The problem here in Singapore is that most pool operators for animals have very little knowledge in water management and often rely on third parties pool management people who has very little knowledge of animals. They generally managed the pool for humans and not animals.

Whether you call these symptoms “chlorine allergy” or “chlorine sensitivity,” the concept is the same: your dog would probably be better off with less chlorine exposure.

There’s a safe and easy way to limit your dog’s chlorine exposure. Use a salt pool!

Find out why Salt Pool can be better for your pets.

And if for any reasons you have to swim your pool, do ask the pool or hydrotherapist a copy of their pool test. Pool for animals need daily testing to ensure that the parameters are within range and safe for animals


Karen Becker, DVM, CCRP
Diplomate of the American Veterinary Medical Association

Lisa M. Peterson, MS, DVM
Member of the American Veterinary Medical Association, the Connecticut VMA, Massachusetts VMA, the Veterinary Information Network and the American Association of Feline Practitioners.

Aaron Hofmeister, DVM
Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University

Johanna Heseltine, MS, DVM
Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University

Sharp CR, DVM
Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University


is chlorine safe for dogs and cats


From a chemical standpoint, dogs and people have very similar skin. Accordingly, chlorine bonds to a dog’s hair and skin the same way chlorine bonds to a person’s hair and skin. Just like with people, the chlorine doesn’t just wash away with water. As a result owners may notice a lingering chlorine odor on their dogs.

Ask yourself the following questions.

  1. Why no hydro pools in Singapore has a pH meter and Chlorine meter?
  2. How do you get rid of the chlorine from your pet? Does your dog smells of chlorine after each hydrotherapy session?
  3. Do you realize that your dog skins gets irritated after using a chlorinated pool?
  4. Are you aware that some hydro pools, in order to sanitize the pool, excessive chlorine are used?
  5. Each time you walk into the vicinity of they hydro pool, your eyes is irritated? Imagine how your dog will be feeling.

It is really not rocket science. If you feel uncomfortable with your pet’s hydro facilities, your dog will feel 10 times worst. After all, your dog is more sensitive than you.

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