Austin Pools: Copper Pipes Fueling Gut Yeast?

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
November 4, 2025

Have you ever turned on your tap in Austin and wondered if what’s coming out is truly safe? Beyond the chlorine smell, there’s a silent threat lurking in many Austin homes: copper. It’s not just about the taste; elevated copper levels in your water, whether from your tap or your pool, can wreak havoc on your gut health, especially if you’re already battling conditions like SIBO (Small Intestinal Bacterial Overgrowth). Let’s dive into how to test for it, what to do about it, and how it connects to your gut.

First, let’s talk testing. You can’t just assume your water is fine. You need to know for sure. For your tap water, grab a SimpleWater TestKit. You can find these at most Home Depot locations around Austin, like the one on Ben White Boulevard. These kits are easy to use: you collect a sample, mail it in, and get a detailed report back. For your pool, a Taylor Technologies K-2006 test kit is your best bet. Leslie’s Pool Supplies on Research Boulevard carries them. This kit tests for a range of chemicals, including copper. Follow the instructions carefully; accuracy is key.

Now, what constitutes “excessive” copper? The EPA sets the action level for copper in drinking water at 1.3 parts per million (ppm). Anything above that requires action. For pools, the ideal range is 0.0 ppm, but levels up to 0.2 ppm are generally considered acceptable. Higher levels can stain your pool and, more importantly, be absorbed through your skin.

Okay, you’ve tested, and the results aren’t pretty. What now? For tap water, the most common culprit is corroding copper pipes. If you live in an older home in neighborhoods like Hyde Park or Travis Heights, this is a real possibility. The first step is to call a plumber specializing in copper remediation. Austin Plumbing Company and Reliable Plumbing both have experience with this. They can assess your plumbing and recommend solutions, which might include replacing pipes or installing a whole-house water filter designed to remove copper. A point-of-use filter, like a Brita, won’t cut it for high copper levels.

For your pool, the source of copper is often algaecides containing copper sulfate. Stop using these immediately! Instead, switch to a non-copper-based algaecide or explore natural alternatives like enzymes. A product like SeaKlear Free & Clear can help remove existing copper stains and prevent future buildup. You can find this at most pool supply stores in Austin.

But here’s where it gets interesting: the gut connection. Copper, while essential in small amounts, becomes toxic in excess. It can disrupt the delicate balance of your gut microbiome, creating an environment where yeast, particularly Candida, can thrive. This is especially problematic for individuals with SIBO, where an overgrowth of bacteria in the small intestine already exists. The added yeast overgrowth can exacerbate symptoms like bloating, gas, and brain fog.

So, what can you do to combat yeast overgrowth fueled by copper exposure? Diet is crucial. Focus on locally-sourced, anti-inflammatory foods.

  • Load up on non-starchy vegetables: Think leafy greens from the Sustainable Food Center Farmers’ Market, or broccoli and cauliflower from Johnson’s Backyard Garden.
  • Choose lean proteins: Opt for grass-fed beef from local ranchers or wild-caught fish from Fisherman’s Market.
  • Incorporate healthy fats: Avocadoes from your backyard (if you’re lucky!) or olive oil from Texas Hill Country Olive Co. are great choices.
  • Limit sugar and refined carbohydrates: These feed yeast. Avoid processed foods, sugary drinks, and excessive amounts of fruit.

Consider incorporating anti-fungal foods into your diet. Garlic, ginger, and turmeric, all readily available at local grocery stores like Wheatsville Co-op, have natural anti-fungal properties. You can also explore supplements like caprylic acid or oregano oil, but always consult with a healthcare professional before starting any new supplement regimen.

The challenge? It’s not always easy to stick to a strict diet, especially in a city like Austin with its vibrant food scene. The pitfall? Thinking you can “cheat” occasionally without consequences. For those with SIBO, even small amounts of sugar or refined carbs can trigger a flare-up. The solution? Plan ahead. Pack your own healthy snacks and meals when you know you’ll be tempted by unhealthy options. Explore restaurants with gluten-free and dairy-free options, like Picnik or Odd Duck, and be mindful of portion sizes.

Another common mistake is focusing solely on diet and neglecting the water source. You can eat all the anti-fungal foods in the world, but if you’re still drinking copper-laden water, you’re fighting an uphill battle. Address the root cause by testing your water and implementing the necessary remediation steps.

Finally, remember that gut health is complex. Copper toxicity is just one piece of the puzzle. If you suspect you have SIBO or yeast overgrowth, consult with a qualified healthcare professional, such as a gastroenterologist or a functional medicine doctor. They can run appropriate tests and develop a personalized treatment plan.

Don’t underestimate the impact of your water quality on your overall health. Take control, Austin. Test your water, address any issues, and nourish your gut with locally-sourced goodness. Your body will thank you for it.

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