How to monitor and balance the pH levels in your hot tub

How to monitor and balance the pH levels in your hot tub

Monitoring and balancing pH levels in hot tubs is vital for our comfort and health but also for the hot tub's longevity.

What does pH level measure?

pH is a measure of how acidic or how basic water is. The pH range goes from 0 to 14, with 7 being neutral. A pH of less than 7 indicates acidity, whereas a pH of greater than 7 indicates a base. The pH of water is a very important measurement concerning the water quality of your hot tub/spa or swimming pool.

The right pH level

The ideal pH level for a hot tub and a swim spa is typically between 7.2 and 7.4.

How to measure the pH water level

  • Test Strips: Simple, dip-and-read strips that change color to indicate pH level. Quick and easy but less accurate.
  • Liquid Test Kits: Involve adding reagents to a water sample and comparing the color change to a chart. More accurate than test strips.
  • Digital pH Meters: Electronic devices that provide a precise digital reading of pH. Require calibration and maintenance for accuracy.
  • Smart Water Monitors: Advanced systems that continuously monitor pH and other parameters, often with smartphone app integration. High accuracy and convenience.

How often should the pH level of the water be checked

It all depends on how often you are using the hot tub or swim spa. It's recommended to test the water at least once every 2-3 weeks, and even more frequently if the spa is used often.

What can happen if the pH levels in my water are not balanced

  1. Skin/Eye Irritation: Imbalanced pH can cause discomfort like skin rashes and itchy eyes.
  2. Poor Sanitization: Ineffective sanitizers due to wrong pH can lead to bacteria and algae growth.
  3. Cloudy Water: Imbalanced pH often results in unappealing, cloudy water.
  4. Scale Formation: High pH can cause scale buildup, damaging surfaces and equipment.
  5. Corrosion: Low pH can corrode pool liners, concrete, and metal components.
  6. Reduced Enjoyment: Overall, improper pH balance reduces the comfort and enjoyment of the water, and increases maintenance needs and costs.

My water looks really clear – doesn’t that mean my pH levels are fine?

Without a pH test, there is no way of knowing.  Water that looks clear can sometimes be hiding serious problems.  Acidic water is capable of holding a lot of minerals in solution without the water turning cloudy. This might look good but isn’t good for you or your spa equipment.

My water looks cloudy – does this mean pH levels are unbalanced?

Cloudy water is often a sign that your pH levels are too high.  This would be the first thing to check if your water is cloudy, milky or foamy.  However cloudy hot tub water can also be caused by a number of other factors and these should all be checked and addressed as necessary.

Keeping your pH levels in balance

Impact of pH on Sanitizer Efficiency

Chlorine's disinfecting ability depends on water's pH and temperature. Higher pH reduces chlorine effectiveness, requiring more chlorine for the same result. Lower pH increases effectiveness but leads to acidic water problems. The goal is a balanced pH, ideally around 7.4.

Risks of Low pH in Spa Water

Having a pH level under 7.0 in your spa can lead to several issues. Acidic water can cause your sanitizer, like chlorine or bromine, to deplete rapidly, exposing you to harmful bacteria and contaminants. This acidic environment can also damage various parts of your spa.

Potential Consequences of Acidic Water:

  • Metal parts may corrode.
  • Pump seals and other components might get damaged.
  • The acrylic shell of the spa could be harmed.
  • You'll need to use more sanitizer as it loses effectiveness quickly.
  • Swimmers may experience dry, itchy skin and eye irritation, as the ideal pH for human tears is 7.4.

How to increase the water pH levels

The most widely used products for raising pH levels in hot tubs, commonly known as pH increasers or pH plus, typically contain sodium bicarbonate as the active ingredient. This compound is effective in not only elevating the pH but also in increasing the total alkalinity (TA).

Risks of high pH in Spa Water

When the pH level in your spa exceeds 7.6, the water becomes basic, leading to poor sanitation. High pH can cause calcium buildup, resulting in scale on spa surfaces and cloudy water.

Effects of Basic Water:

  • Calcium deposits form.
  • Damage to pump seals and spa parts.
  • Stains and marks on the acrylic shell.
  • Dry, itchy skin and eye irritation for bathers.
  • Reduced effectiveness of chlorine/bromine sanitizers, requiring more use.
  • Cloudiness and a rough feel on surfaces.
  • White flakes in the water.

How to reduce the water pH levels

pH decreasers, also known as pH reducers or pH minus, are dry acid products used to balance water in hot tubs, spas, or pools. Typically containing sodium bisulfate, they're pre-dissolved in warm water before adding. While effective in lowering pH, they can also significantly reduce Total Alkalinity (TA), sometimes necessitating a subsequent TA increase.

Stabilizing Water pH Levels:

Adjusting Total Alkalinity (TA) can help stabilize pH levels. TA refers to the water's capacity to neutralize acids, acting as a buffer for pH stability. In hot tubs, spas, or pools, maintaining TA is crucial for water balance. The ideal TA range is 125-150 ppm.

To adjust TA, add small amounts gradually, allowing each dose to circulate before retesting. Once TA is optimal, then adjust the pH. Often, achieving the right TA brings pH into the desired range.

Share on social media

More interesting articles

Affordable Garden Whirlpool Spas: Perfect Addition to Your Outdoor Oasis
ca 9 min
Affordable Garden Whirlpool Spas: Perfect Addition to Your Outdoor Oasis

If you're seeking a modern whirlpool spa to relax in after work or a backyard hydrotherapy tub for entertaining friends, we have all you need to create your outdoor oasis.

Plug-and-Play Hot Tubs: Convenience and Comfort at Home
ca 3 min
Plug-and-Play Hot Tubs: Convenience and Comfort at Home

FunSpas combines youthful, energetic design with simplicity and elegance. With its plug-and-play setup, there’s no need to worry about complicated installations. Enjoy the comfort and convenience of a hot tub with ease. FunSpas is the ideal entry-level hot tub for your home! What Are Plug-and-Play Hot Tubs? Plug-and-play hot tubs are designed for straightforward installation and use. Unlike traditional hot tubs, which often require professional setup and complex electrical work, plug-and-play hot tubs can be ready to use by simply plugging them into a standard electrical socket. This makes them an excellent choice for anyone wanting to enjoy the luxury of a hot tub without the hassle and expense of professional installation—just like FunSpas! One of the standout benefits of FunSpas is its convenience. With no need for professional installation, you can save significantly on setup costs. Perfect for Busy Lifestyles For busy urban dwellers and budget-conscious consumers, FunSpas offers a quick and effortless way to relax after a long day. The powerful water jets soothe muscle fatigue, restore energy, and provide instant relaxation and peace of mind. Health and Wellness Benefits FunSpas isn’t just about relaxation—it also offers numerous health benefits. Regular use can improve circulation, reduce muscle tension, and promote overall physical and mental well-being. For health-conscious individuals, the therapeutic effects of a hot tub are a valuable addition to any wellness routine. The soothing combination of warm water and massage jets helps alleviate stress, improve sleep quality, and even support recovery from minor injuries. How to Choose the Right Plug-and-Play Hot Tub for Your Home When selecting a plug-and-play hot tub, there are a few important factors to consider: Space and Size: Assess the available space in your home. Measure the area where you plan to place the hot tub to ensure it fits perfectly. Features: Decide which features are most important to you. Many hot tubs include extras like LED lighting, Wi-Fi control, or advanced water filtration systems. Budget: Choose a hot tub that offers excellent value for money without compromising on quality. FunSpas is a fantastic option for anyone seeking an affordable yet high-quality hot tub experience.

Top Benefits of Full Foam Insulation for Swim Spas
ca 3 min
Top Benefits of Full Foam Insulation for Swim Spas

Enhance Energy Efficiency and Save on Costs Full foam insulation significantly enhances the energy efficiency of your swim spa. By filling all the gaps and voids within the spa cabinet, this type of insulation minimizes heat loss, ensuring that the water stays warm for longer periods. Consequently, your spa's heating system doesn't have to work as hard, which translates to lower energy consumption and reduced utility bills. In addition, the consistent insulation provided by full foam helps maintain a stable water temperature, reducing the need for frequent reheating and further cutting down on energy costs. Improve Swim Spa Durability and Longevity Full foam insulation plays a crucial role in extending the durability and longevity of your swim spa. The foam serves as a protective barrier around the internal components, safeguarding them from damage caused by moisture and external elements. This added layer of protection helps prevent issues such as leaks and corrosion, which can compromise the structural integrity of your spa over time. Moreover, the foam supports the plumbing and other sensitive parts, reducing wear and tear and ensuring that your swim spa remains in top condition for years to come. Experience Superior Temperature Control With full foam insulation, you can enjoy superior temperature control in your swim spa. The insulation helps maintain a consistent water temperature by preventing heat from escaping and cold air from entering the spa. This means you can enjoy a comfortable and stable water temperature throughout your swim or relaxation session, regardless of the weather conditions outside. This level of temperature control enhances your overall spa experience, making it more enjoyable and relaxing. Reduce Noise for a More Tranquil Experience One of the less obvious but highly appreciated benefits of full foam insulation is noise reduction. The foam acts as a sound barrier, dampening the noise produced by the spa's pumps, motors, and water jets. This results in a more tranquil environment, allowing you to fully relax and unwind without being disturbed by the operational sounds of your spa. A quieter spa experience can also be beneficial if your swim spa is located close to your home or in a residential area where noise levels need to be kept to a minimum. Environmentally Friendly Choice Opting for full foam insulation is an environmentally friendly choice for multiple reasons. By improving energy efficiency, it reduces the overall energy consumption of your swim spa, which in turn lowers your carbon footprint. The reduction in energy usage not only benefits your wallet but also contributes to the preservation of natural resources. Furthermore, many full foam insulation materials are made from eco-friendly substances that are less harmful to the environment. Choosing such materials supports sustainable practices and helps promote a greener planet. Visit your nearest BETA Wellness store and schedule a time to experience our SPA and Swim Spa collections, featuring renowned Riptide and Oasis brands.

Enhance Your Spa with Diverse Jet Combinations
ca 2 min
Enhance Your Spa with Diverse Jet Combinations

Whether you're seeking relief for sore muscles after a workout or a calming escape from daily stress, the right combination of jets can make all the difference. At Oasis Spa, our deep understanding of body anatomy and pressure points enables us to craft seating arrangements that deliver targeted and effective hydrotherapy. Full body massage lounger The full body massage lounger is designed to envelop the entire body in a soothing embrace of hydrotherapy. With jets positioned to target the back, legs, and even the neck, this seat provides a comprehensive massage that addresses all major muscle groups simultaneously. Everyone can enjoy the sensation of a professional massage, enhanced by warm water to deepen relaxation. The intensity and mode of the jets are adjustable, allowing users to customize experience to their personal preferences and needs. Accu-pressure back massage For those seeking targeted relief from back pain or tension, the accu-pressure back massage seat is an exceptional choice. This configuration is designed to focus on the spine and surrounding muscles, using a combination of powerful jets to deliver deep, penetrating pressure. The result is a massage that not only relaxes but also helps alleviate chronic pain and enhance overall back health. It’s an ideal solution for anyone who spends long hours sitting or has a physically demanding job. Foot massage therapy Often overlooked, the feet hold a considerable amount of tension and can greatly benefit from hydrotherapy. Foot massage therapy seats are equipped with specialized jets targeting the soles and arches, delivering a relaxing and invigorating experience. This type of massage can alleviate foot pain, reduce swelling, and enhance circulation. Many people find that a thorough foot massage positively impacts their overall sense of well-being.