Collection: SpaGuard® Spa Chemicals & Hot Tub Water Care Products

Transform Your Spa Experience with SpaGuard®

Maintaining crystal-clear, perfectly balanced hot tub water has never been easier. SpaGuard® spa chemicals are the trusted choice of hot tub owners across America who demand professional-grade water care without the guesswork. Whether you're dealing with cloudy water, pH imbalances, or sanitization concerns, SpaGuard® delivers reliable results every time.

At Hot Tub Things, we carry the complete line of authentic SpaGuard® products to keep your spa water sparkling clean, safe, and inviting.

What Is SpaGuard®?

SpaGuard® is a premium line of spa and hot tub chemicals manufactured by BioGuard, a leader in water care solutions for over 60 years. Designed specifically for hot water environments, SpaGuard® hot tub chemicals provide superior performance compared to generic pool chemicals.

The SpaGuard® system includes sanitizers, oxidizers, pH balancers, alkalinity adjusters, calcium hardness increasers, and specialty treatments—everything you need for complete spa maintenance.

Key Features & Benefits

Complete Water Care System

• Full range of sanitizers including chlorine, bromine, and mineral systems
• Shock treatments and oxidizers for crystal-clear water
• pH and alkalinity balancers for optimal water chemistry
• Specialty products for scale, stain, and foam control

Formulated for Hot Water Unlike pool chemicals, SpaGuard® spa care products are specifically engineered to work in the high temperatures of hot tubs and spas (up to 104°F), ensuring consistent performance and effectiveness.

Easy-to-Use Solutions SpaGuard® products feature clear instructions and simple dosing guidelines, making professional-level spa care accessible to everyone. Many products are available in convenient pre-measured formats.

Safe & Effective When used as directed, SpaGuard® chemicals maintain safe, comfortable water that's gentle on skin and equipment while effectively eliminating bacteria and contaminants.

Compatible with All Spa Types Whether you own a Bullfrog, Jacuzzi, Sundance, Hot Spring, or any other spa brand, SpaGuard® water care products work seamlessly with all hot tub systems.

Popular SpaGuard® Products

• SpaGuard® Chlorinating Concentrate - Fast-dissolving granular chlorine sanitizer
• SpaGuard® Enhanced Shock - Non-chlorine oxidizer for weekly maintenance
• SpaGuard® pH Increaser/Decreaser - Precise pH adjustment products
• SpaGuard® Alkalinity Increaser - Stabilizes pH and prevents fluctuations
• SpaGuard® Calcium Hardness Increaser - Protects equipment from corrosion
• SpaGuard® Brominating Tablets - Long-lasting bromine sanitization
• SpaGuard® Spa Complete - All-in-one water conditioner

Why Choose Hot Tub Things for SpaGuard® Products?

Authorized SpaGuard® Dealer We sell only genuine, factory-fresh SpaGuard® chemicals—never expired or counterfeit products.

Expert Guidance Our team understands spa water chemistry and can help you choose the right SpaGuard® products for your specific needs.

Competitive Pricing Get professional-grade spa chemicals at prices that won't break your budget.

Fast, Free Shipping Orders over $100 ship free, and we process orders quickly so you can get back to enjoying your spa.

Complete Selection From daily sanitizers to specialty treatments, we stock the full SpaGuard® product line.

How to Use SpaGuard® Chemicals

Step 1: Test Your Water Use test strips or a liquid test kit to check pH, alkalinity, sanitizer levels, and calcium hardness.

Step 2: Balance Your Water Adjust pH (7.2-7.8), alkalinity (80-120 ppm), and calcium hardness (150-250 ppm) using SpaGuard® balancers.

Step 3: Sanitize Add your chosen SpaGuard® sanitizer (chlorine, bromine, or mineral system) according to package directions.

Step 4: Shock Weekly Use SpaGuard® Enhanced Shock or other oxidizers weekly to eliminate organic contaminants and restore water clarity.

Step 5: Maintain Regularly Test water 2-3 times per week and adjust chemicals as needed to maintain proper balance.