Top 10 Best spa up in 2026

Main highlights

• •BENEFIT: Increases and balances the pH levels in your spa or hot tub water for beautiful clarity, improved sanitizer efficiency and a more relaxing experience
• •IMPROVES PERFORMANCE: Allows sanitizer to work more effectively; Prevents corrosion of spa surfaces and equipment
• •CONTAINS MINERAL CRYSTALS: HTH Spa pH Up is formulated to provide a more relaxing spa experience
• •COMPATIBLE WITH ALL SPAS: HTH Spa pH Up is great for all spas, including bromine, chlorine and biguanide
• •YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Spa Test Strips twice a week to test, balance and maintain total pH levels between 7.2 and 7.8 ppm

Main highlights

• •BENEFIT: Easily raise the total alkalinity levels in your spa water to ensure it remains clear, clean, and healthy
• •CREATES MORE COMFORTABLE WATER: Keeps the pH levels in range, which helps protect against skin and eye irritation
• •PROLONGS THE LIFE OF YOUR SPA: Helps prevent damage to spa surfaces and equipment (pumps, filters, and heaters)
• •COMPATIBLE WITH ALL SANITIZERS: HTH Spa Alkalinity Up works great with bromine, chlorine and biguanide systems
• •YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Spa Test Strips twice a week to test, balance and maintain total alkalinity levels between 80 and 120 ppm

Main highlights

• •The desired range for total alkalinity is 80-140 ppm
• •Add 1 ounce of this product and retest every 30 minutes until total alkalinity is in the range of 80-140 ppm
• •Raises total alkalinity and prevents pH bounce

Main highlights

• •Raise pH Level: Clorox Pool&Spa Spa pH Up is formulated to elevate the pH levels in spa water. By increasing pH levels, it helps in restoring water parameters to their ideal ranges, ensuring a balanced and healthy swimming environment.
• •Improves Swimmer Comfort: This product plays a crucial role for bather comfort, as it prevents eye and skin irritation caused by low pH. It aids in preventing dry, itchy skin and red burning eyes for a more pleasant bather experience.
• •Protects Pool Equipment from Corrosion: By keeping your spa's pH level balanced, this product helps prevent equipment corrosion, allowing you to spend less time maintaining and more time enjoying your spa.
• •Preserves Pool & Equipment - Unbalanced water can cause a corrosive environment that damages your spa surfaces or equipment. This product reduces pool maintenance, extending the life of your spa’s cleanliness.
• •Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations.

Main highlights

• •Raises total alkalinity and prevents pH bounce
• •Keep the total alkalinity in a spa between 80-120 ppm
• •Works with chlorine, bromine, ozone and biguanide sanitizers

Main highlights

• •Raises total alkalinity and prevents pH bounce
• •Keep the total alkalinity in a spa between 80-120 ppm
• •Works with chlorine, bromine, ozone and biguanide sanitizers

Main highlights