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The ancient practice of contrast therapy — alternating between heat and cold — is having a major resurgence. At Polar Springs Hot Tubs in Brockville, Ontario, we now offer premium cold plunge units alongside our hot tubs and saunas. Here’s why the combination is so powerful. What Is a Cold Plunge? A cold plunge (or cold plunge pool) is a compact tub designed to maintain water temperatures between 5–15°C. Cold water immersion activates a completely different set of physiological responses compared to hot water — and the two together create what many call the ultimate recovery and wellness experience. Top Benefits of Cold Plunge Therapy 1. Reduces Inflammation and Muscle Soreness Cold water constricts blood vessels, reducing inflammation and flushing metabolic waste from muscle tissue. Athletes who use cold plunges after training report significantly less DOMS (delayed onset muscle soreness). 2. Massive Norepinephrine Release Cold immersion triggers a 200–300% increase in norepinephrine — a neurotransmitter that improves focus, mood, and alertness. This is why a cold plunge feels so energizing and why its mental health benefits are receiving serious scientific attention. 3. Activates Brown Fat Regular cold exposure activates brown adipose tissue (brown fat), which generates heat by burning calories. Cold plunge routines may boost metabolism over time. 4. Improves Circulation The rapid constriction and dilation of blood vessels during contrast therapy (hot tub → cold plunge → hot tub) acts like a “pump” for your cardiovascular system, improving circulation throughout the body. 5. Mental Resilience and Discipline Voluntarily entering cold water trains your mind to tolerate discomfort — building a form of mental toughness that transfers to other areas of life. Many high performers swear by their daily cold plunge. The Hot Tub and Cold Plunge Contrast Protocol The most popular contrast therapy protocol: 10–20 minutes in the hot tub (38–40°C) 2–3 minutes in the cold plunge (10–15°C) Repeat 2–3 cycles End with cold for maximum energy, or end with hot for relaxation Who Should Use a Cold Plunge? Cold plunges are excellent for: athletes and active individuals, anyone recovering from injury or surgery (with medical approval), those dealing with chronic inflammation, and anyone who wants the mental and metabolic benefits of cold therapy. Consult your doctor before starting cold plunge therapy if you have heart conditions, high blood pressure, or Raynaud’s syndrome. Add a Cold Plunge to Your Home Wellness Setup At Polar Springs Hot Tubs, we carry a range of cold plunge units designed to pair perfectly with our hot tubs and saunas. Whether you want a standalone cold plunge or a full contrast therapy setup, our Brockville team can build you the ultimate home wellness experience. Browse cold plunge units | Browse hot tubs | Contact our team

Two of the most powerful wellness tools for your home — but which one is right for you? At Polar Springs Hot Tubs in Brockville, Ontario, we carry both premium saunas and hot tubs. Here’s a detailed comparison to help you choose. Sauna vs Hot Tub: The Fundamental Difference A sauna uses dry or steam heat (70–100°C) to induce sweating and cardiovascular benefits. A hot tub uses warm water (37–40°C) combined with hydrotherapy jets for relaxation and muscle relief. Both raise your core body temperature, but through different mechanisms. What’s Healthier, a Sauna or Hot Tub? Both offer exceptional health benefits. Studies show that regular sauna use reduces risk of cardiovascular disease, sudden cardiac death, and all-cause mortality. Hot tubs excel at muscle recovery, joint relief, stress reduction, and improving sleep. The “healthier” choice depends on your specific health goals. Cardiovascular Health Sauna wins here. Finnish research from the University of Eastern Finland shows that men who used a sauna 4–7 times per week had a 63% lower risk of sudden cardiac death compared to those who used it once weekly. Hot tubs also improve cardiovascular function but to a lesser extent. Muscle Recovery and Joint Relief Hot tub wins here. The combination of buoyancy (reducing joint stress by up to 90%), heat, and targeted jet massage makes hot tubs superior for arthritis management, sports recovery, and chronic pain relief. Mental Health and Stress Relief Both are highly effective. Saunas reduce cortisol and increase beta-endorphins (natural opioids). Hot tubs reduce cortisol through warm water immersion and promote deep parasympathetic nervous system activation. Many wellness experts recommend using both — sauna for 15–20 minutes, followed by a cool-down, then a hot tub soak. Sleep Improvement Both improve sleep. The hot tub has a slight edge due to the timing effect: soaking 1–2 hours before bed raises then rapidly drops your core body temperature, which is the most powerful signal for deep sleep. Why Not Both? At Polar Springs, many customers combine a sauna and a hot tub for the ultimate home wellness experience. Our showroom in Brockville features a range of both — and we can help you plan a backyard wellness space that fits your home and budget. Cost Comparison Traditional sauna: $4,000–$15,000 Infrared sauna: $2,000–$8,000 Hot tub: $6,000–$18,000 Both together: The most rewarding wellness investment you can make in your home Visit Polar Springs Hot Tubs in Brockville, Ontario to explore our full sauna and hot tub collection. Browse saunas | Browse hot tubs | Contact us

Choosing between a swim spa and a hot tub is one of the most common dilemmas our customers face at Polar Springs Hot Tubs in Brockville, Ontario. Both are excellent — but they serve different needs. Here’s the complete comparison to help you decide. Swim Spa vs Hot Tub: The Key Differences The core difference is size and function: a hot tub is designed primarily for relaxation and hydrotherapy, while a swim spa adds a powerful swim current for fitness and aquatic exercise. Swim spas are significantly larger and cost more. Cost Comparison Space Requirements Hot tubs typically measure 7×7 to 8×8 feet. Swim spas range from 12 to 19 feet long and require more structural support. Health and Fitness Benefits Hot tub wins for: deep relaxation, stress relief, arthritis management, sleep improvement, and couples/family socializing.Swim spa wins for: cardiovascular fitness, weight management, full-body workouts, physical rehabilitation, and family swimming. Year-Round Use in Ontario Both are designed for year-round Canadian use. Quality models from Polar Springs feature multi-layer insulation and all-weather covers. In our experience, both hot tubs and swim spas are used most in winter — there’s nothing like a warm soak when it’s snowing. Who Should Choose a Hot Tub? Who Should Choose a Swim Spa? Can’t Decide? Come See Both in Person At our Polar Springs Hot Tubs showroom in Brockville, Ontario, we have both hot tubs and swim spas on display. Our experts will help you match your lifestyle and budget to the perfect product. Book a visit today.