Pool Shock 25Lb. Chlorine Granules Calcium Hypoclorite Cal Hypo BioGuard Burnout 73 – 25 LB Bucket (Part Number 22925)
Professional-Grade Cal-Hypo Pool Shock Chlorine Granules
BioGuard Burnout 73 (22925) is the top-tier choice for professional pool sanitization, combining high chlorine content, fast-acting Cal-Hypo, and trusted BioGuard quality. Perfect for pool owners who want clear, safe, and sparkling water all season long.
Keep your swimming pool crystal clear and sanitary with BioGuard Burnout 73, the professional-grade Calcium Hypochlorite (Cal-Hypo) pool shock trusted by pool service technicians and residential pool owners nationwide. Designed for fast oxidation and superior water clarity, this 25-pound bucket (Part No. 22925) provides powerful chlorination that instantly destroys bacteria, algae, and organic contaminants — keeping your water clean, fresh, and inviting.
Key Features & Benefits
- High Available Chlorine (73%)
Delivers maximum oxidation strength to kill bacteria, algae, and harmful microorganisms on contact. Ideal for both weekly maintenance and super-chlorination. - Fast-Dissolving Formula
The fine-grade granules dissolve rapidly and evenly, leaving no residue and restoring water clarity within hours. - Eliminates Contaminants
Breaks down oils, lotions, sunscreen, sweat, and organic matter that cause cloudy or dull pool water. - Restores Sparkling Clarity
Perfect for recovering from heavy bather loads, storms, or algae blooms — quickly brings your pool back to crystal clear condition. - Compatible with Most Pool Types
Safe for concrete, plaster, vinyl, and fiberglass pools. Designed for both residential and commercial swimming pools. - Convenient Resealable 25 LB Bucket
Airtight packaging keeps the Cal-Hypo granules fresh, moisture-free, and easy to scoop for precise dosing. - Trusted Brand – BioGuard
Manufactured by BioGuard, one of the most respected names in pool chemistry, known for consistent purity and performance.
Technical Specifications
- Brand: BioGuard®
- Product Name: Burnout® 73
- Part Number: 22925
- Type: Swimming Pool Shock / Chlorine Granules
- Form: Dry Granular
- Active Ingredient: Calcium Hypochlorite (73%)
- Other Ingredients: 27%
- Available Chlorine: Approx. 70–73%
- Net Weight: 25 Pounds (11.34 kg)
- Container: Resealable Plastic Bucket
- Usage Rate: Follow label directions; typically 1 lb per 10,000 gallons for routine shock treatment
- Pool Type: In-ground, above-ground, commercial, residential
Why Choose BioGuard Burnout 73?
BioGuard Burnout 73 stands out from generic cal-hypo shocks due to its ultra-high chlorine concentration, premium granular purity, and consistent performance. Whether you’re treating cloudy water, eliminating algae, or restoring balance after a busy weekend, Burnout 73 works quickly and reliably to revitalize your pool water without leaving residue or scale.
This 25 LB professional container ensures long-term supply for pool professionals, service technicians, and homeowners who demand reliable, crystal-clear results every time.
Please be advised that certain manufacturers - including Pentair® (with their TradeGrade® products), Jandy®/Fluidra® (with their Trade Series Exclusive™ products), and Hayward® (with their Expert Line® products) - do not honor manufacturer warranties on specific product lines purchased online.
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