BioGuard Arctic Blue Shock is the perfect first step in winterizing your pool, killing off bacteria, algae, and other contaminants that can wreak havoc on your pool during the long winter months. Its powerful granular formula can be quickly broadcast into your pool without needing dilution, saving you from handling messy liquids. When used in conjunction with an effective algaecide, your pool will stay clean and healthy throughout its winter slumber, making spring openings much faster and hassle-free. Best of all, Arctic Blue Shock is made right here in the USA to ensure the highest quality, allowing you to buy with confidence.

Effective winter shock used to oxidize and clarify through the off-season months

Ideal for all pool surfaces

• 58.2% sodium dichloro-s-triazinetrione
• pH ~5.0
• Patented technology
• Multipurpose shock
• Oxidizer, buffer, clarifier & flocculent
• Ideal for all pool surface
• Quick dissolving
• No predissolving
• Effective winter oxidizer & clarifier.

1. Broadcast the entire dosage into the deep end of the pool.
2. Brush any undissolved product off the surface of the pool with a compatible brush.
3. Continue to circulate the pool for a minimum of 30 minutes before proceeding to the next step in the winterization process

It is recommended that as part of the closing procedures, a quality winterizing algaecide be applied following the application of this product.

For mesh covered or non-covered pools, a mid-winter treatment may be required using an appropriate BioGuard sanitizer.
 

1 pound per 6,000 gallons of pool water.

Sodium dichloro-s-triazinetrione  58.2%
Other Ingredients 41.8%
 

Use this product as part of your winterizing maintenance, keeping your pool safe from bacteria, algae growth, and other harmful organics during the long winter months. When used in conjunction with an effective algaecide, Spring opening will be much faster and headache-free.