Boise's Baths: City Chlorine Killing Youth Flora?

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
January 7, 2026

The Treasure Valley is booming, and with it, so is the demand for clean, safe drinking water. But what many Boise residents don’t realize is that the very process designed to keep our water safe – chlorination – can have unintended consequences for our gut health. It’s time to take control and protect your microbiome.

Boise’s water, like most municipal water supplies, is treated with chlorine to kill harmful bacteria and viruses. While effective at its primary purpose, chlorine is a broad-spectrum biocide, meaning it doesn’t discriminate between “good” and “bad” bacteria. This can disrupt the delicate balance of your gut microbiome, potentially leading to digestive issues, weakened immunity, and even mood disturbances.

So, what can a Boisean do? The answer lies in a multi-pronged approach: filtering your water, nourishing your gut with local foods, and strategically using probiotic supplements.

First, let’s tackle the water. Not all water filters are created equal. You need one specifically designed to remove chlorine and chloramine (a chlorine derivative also used in water treatment). Here are a few recommendations readily available at Boise retailers like Lowe’s, Home Depot, and even local hardware stores:

  • Brita Faucet Filter: A cost-effective and easy-to-install option. While it doesn’t remove all chlorine, it significantly reduces it, making it a good starting point. Look for the “Longlast” filter replacements for extended use.

  • PUR Faucet Filter: Similar to Brita, PUR offers a comparable level of chlorine reduction. Some models also include a mineral clear filter, which can improve the taste of the water.

  • Clearly Filtered Water Pitcher: This pitcher uses a more advanced filtration system that claims to remove up to 99.9% of chlorine and other contaminants. It’s a pricier option but offers superior filtration.

  • Whole House Water Filter: For the ultimate protection, consider a whole-house filter. These systems are installed on your main water line and filter all the water entering your home. Brands like Aquasana and Springwell are popular choices, and local Boise plumbers can handle the installation.

Pitfalls and Considerations:

  • Filter Maintenance: Remember to replace your filter cartridges regularly, as recommended by the manufacturer. An old filter can actually increase the concentration of contaminants in your water. Set a reminder on your phone or calendar to avoid this common mistake.

  • Water Softeners: Many Boise homes have water softeners to combat hard water. While softeners address mineral content, they don’t remove chlorine. You’ll still need a separate chlorine filter.

  • Testing Your Water: Consider purchasing a home water testing kit to assess the chlorine levels in your tap water. This will give you a baseline and help you determine the effectiveness of your chosen filter. You can find these kits at most hardware stores or online.

Now, let’s move on to nourishing your gut with Idaho-sourced foods. Supporting local farmers and your gut health? It’s a win-win!

  • Fermented Foods: These are your gut’s best friends. Look for locally made sauerkraut, kimchi, and kombucha at the Boise Co-op or the Capital City Public Market. The fermentation process introduces beneficial bacteria to your gut.

  • Prebiotic-Rich Foods: Prebiotics are food for your good gut bacteria. Onions, garlic, asparagus, and bananas are all excellent sources. Luckily, these are readily available at Boise grocery stores.

  • Fiber-Rich Foods: Fiber helps to regulate digestion and promote the growth of beneficial bacteria. Load up on fruits, vegetables, and whole grains. Idaho potatoes, while often demonized, are a good source of resistant starch, a type of fiber that feeds gut bacteria.

Specific Boise Food Recommendations:

  • Kefir from Meadowsweet Creamery (nearby Parma, ID): This local creamery produces high-quality kefir, a fermented milk drink packed with probiotics.

  • Sauerkraut from Krouse Farms (near Nampa, ID): Krouse Farms offers a variety of delicious and probiotic-rich sauerkraut.

  • Produce from the Boise Farmers Market: Support local farmers and get access to fresh, seasonal produce that’s naturally rich in prebiotics and fiber.

Finally, let’s talk about probiotic supplements. While a healthy diet is the foundation, targeted probiotic supplementation can provide an extra boost to your gut flora.

  • Choose the Right Strain: Not all probiotics are created equal. Look for supplements containing Lactobacillus and Bifidobacterium strains, which are well-researched and known to support gut health.

  • Consider CFU Count: CFU stands for Colony Forming Units, which indicates the number of live bacteria in each dose. Aim for a supplement with at least 10 billion CFU.

  • Look for Enteric Coating: Enteric-coated capsules are designed to resist stomach acid, ensuring that the probiotics reach your intestines where they can do the most good.

Specific Probiotic Recommendations (Consult with your doctor before starting any new supplement):

  • Culturelle: Contains Lactobacillus rhamnosus GG, a well-studied strain known for its digestive and immune benefits.

  • Align: Contains Bifidobacterium infantis 35624, another well-researched strain that can help relieve symptoms of IBS.

  • Garden of Life Dr. Formulated Probiotics: Offers a variety of probiotic formulas targeting specific health needs, such as digestive health, immune support, and vaginal health.

Challenges and Mistakes:

  • Starting Too Fast: Introducing probiotics too quickly can cause digestive upset, such as gas and bloating. Start with a low dose and gradually increase it over time.

  • Not Storing Properly: Probiotics are sensitive to heat and moisture. Store them in a cool, dry place, preferably in the refrigerator.

  • Ignoring Dietary Changes: Probiotics are most effective when combined with a healthy diet. Don’t expect a probiotic supplement to magically fix your gut health if you’re still eating a processed food diet.

By taking these steps – filtering your water, nourishing your gut with local foods, and strategically using probiotic supplements – you can mitigate the potential gut microbiome disruption caused by Boise’s chlorinated water and cultivate a healthier, happier you. Remember to consult with your doctor or a registered dietitian for personalized advice. Your gut will thank you!

The information provided on Core Wellness Guide is intended for general informational purposes only. The content on this site should not be construed as medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional before making any changes to your diet, exercise routine, or health regimen. I am not a licensed fitness or health professional. Any exercise or wellness programs or advice you choose to follow are done at your own risk. Core Wellness Guide is not liable for any injuries or damages resulting from the use or misuse of the information on this website. Some of the links on this website are affiliate links, meaning I may earn a small commission if you purchase products through these links. However, I only recommend products that I trust and believe will add value to my readers. Results from fitness and health programs may vary depending on individual factors such as age, gender, and fitness level. Testimonials or success stories on this blog are based on individual experiences and do not guarantee the same results for everyone. This blog may contain links to third-party websites, and I am not responsible for their content, privacy policies, or practices.