OEM ClearView Shimmer N Shock Granular Chlorine CVDB050 is a premium 50 lb shock treatment designed for powerful sanitation and water clarity in residential pools. Featuring 99% sodium dichlor and 56% available chlorine, this fast-acting granular formula dissolves instantly, requiring no pre-mixing or dilution. It effectively eliminates algae, bacteria, and organic contaminants, helping restore crystal-clear water in just one application. Ideal for vinyl-lined and above-ground pools, this shock won't cause pH imbalance or clouding, making it safe for routine use. Whether for weekly maintenance or post-party cleanup, Shimmer N Shock offers a reliable and economical way to keep your pool sparkling clean all season long.

• High Chlorine Strength: Delivers 56% available chlorine with 99% sodium dichlor for strong, immediate sanitizing power

• Fast-Dissolving Formula: Fully soluble and residue-free for convenient, no-mix application directly into pool water

• Effective Algae & Bacteria Control: Targets and removes harmful organic matter, restoring water clarity quickly

• Safe for Vinyl & Above-Ground Pools: Formulated for use with vinyl liners and soft-sided pools without causing damage or pH fluctuations

• Economical Seasonal Maintenance: Cost-effective 50 lb option ideal for regular shock treatment or routine weekly pool care

This product is intended for use in controlling bacteria and algae in swimming pools. This product should be added directly to the surface of circulating water according to the directions. Each ounce of this product will provide about 0.4 ppm (mg/L) of available chlorine to 10,000 gallons of water. Reentry into treated swimming pools is prohibited above levels of 4 ppm of chlorine.

How to Use: Add dosage of this product during evening hours while filter is running. When adding this product to your pool, broadcast the product evenly over a wide area in the deepest part of the pool. Use entire contents when opened. If any granules settle to the bottom of the pool use brush to disperse.

Start Up: Before using this product, make sure that the filtration system is clean and operating properly. Adjust the pH of the water to a range of 7.2-7.6 using suitable products and a reliable test kit. Adjust the alkalinity of the water to a minimum of 125 ppm (mg/L), based on the test kit reading. Add a sufficient amount of this product directly to the surface of circulating water to raise the free chlorine level in the water to 5-6 ppm (mg/L), based on the test kit reading. As a guide, for swimming pools addition of 10 ounces of this product for each 10,000 gallons of water will increase the free residual chlorine by 4 ppm (mg/L).

Shock Treatment: Super chlorination: In extremely hot weather, when many people use the pool, when water becomes hazy or after heavy rains, a shock dosage of chlorine may be obtained by spreading this product over surface pool water. 14 ounces of this product per 10,000 gallons of pool water provides approximately 6 ppm of chlorine. Note: Do not use pool until chlorine residual falls below 4 ppm.Ê

Maintenance Treatment: ÊAdd this product daily or as needed to maintain the free chlorine residual in the water at 1-3 ppm (mg/L) as indicated by a reliable test kit. Each ounce of this product will provide about 0.4 ppm (mg/L) of available chlorine to 10,000 gallons of water. Weather and usage effect sanitizer levels. Maintain the pH at 7.2-7.6 and the alkalinity at a minimum of 125 ppm (mg/L). As a guide for swimming pools, addition of five ounces of this product for each 10,000 gallons of water will increase the free residual chlorine by 2 ppm (mg/L).Ê

ClearView CVDB050 Shimmer N Shock Ð 50 lb Granular Dichlor Chlorine

CVDB050 Shock Ð 99% Sodium Dichlor For Effective Pool Sanitization

56% Available Chlorine Ð Quickly Eliminates Algae And Bacteria

No Pre-Dissolving Required Ð Fast-Dissolving, Residue-Free Formula

In-stock CVDB050 available for seasonal restocks and cleanups

Safe On Vinyl Liners Ð WonÕt Cause pH Bounce Or Surface Damage

50 lb Pool Shock CVDB050 Ð ClearView Shimmer N Shock Granular Chlorine

Ideal For Above-Ground And Vinyl-Lined Pools

Restores Sparkling Clarity After Heavy Use Or Contamination

Great local price on CVDB050 for reliable weekly maintenance

Easy To Apply Ð Dissolves Instantly For Maximum Efficiency

Trusted Formula For Routine Shock Treatments And Emergency Sanitizing

ClearView Dichlor Shock CVDB050 Ð Granular Chlorine Pool Sanitizer

Delivers Long-Lasting Chlorine Stability Without Clouding Water

99% Pure Sodium Dichlor Ð Balanced For Pool Water Health

Convenient 50 lb Bucket Ð Ideal For Residential Pool Owners

Popular choice for quick water recovery before weekend swims

Maintains Safe, Clear Water In All Pool Types With No Harmful Residue