Description
BioGuard Smart Shock - 25 lb
Bulk Multi-Purpose Pool Shock for Weekly Maintenance and Clear Water
BioGuard Smart Shock is a multi-purpose swimming pool shock treatment that shocks, oxidizes, buffers, and clarifies pool water in one convenient formula. This 25 lb size is ideal for pool owners, service professionals, and frequent-use pools that need a larger supply of weekly shock treatment for routine maintenance, algae prevention support, and sparkling water clarity.
Designed with blue algae-killing crystals, BioGuard Smart Shock helps kill bacteria, control algae, and improve water clarity without requiring pre-dissolving. It can be added directly to pool water as directed, making it a practical choice for regular pool care and light algae treatment.
Use BioGuard Smart Shock as part of a consistent pool maintenance routine to help keep water clear, fresh, and swim-ready.
Key Benefits
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Bulk 25 lb size: Great for weekly pool shock treatments, seasonal maintenance, service routes, and high-use pools.
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Multi-purpose pool treatment: Shocks, oxidizes, buffers, and clarifies pool water.
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Helps control algae: Contains blue algae-killing crystals for added algae-fighting performance.
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Kills bacteria: Supports properly sanitized swimming pool water.
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Clarifies pool water: Helps maintain a clean, bright, sparkling appearance.
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No pre-dissolving required: Add directly to pool water as directed.
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Treat and swim quickly: Swimming may resume in as little as 15 minutes when label conditions are met and chlorine is in the proper range.
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All-pool compatibility: Designed for use in all pool types.
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BioGuard system preferred: A preferred shock for BioGuard Care Systems.
Product Details
Compatibility and Requirements
BioGuard Smart Shock is suitable for all pool types when used according to label directions. The 25 lb size is especially useful for pool owners who shock weekly, maintain larger pools, or want a bulk supply of multi-purpose shock available throughout the swimming season.
Before application, make sure the pump, filter, skimmer, and heater are operating properly. Test and balance pool water according to the label, including total alkalinity, pH, and calcium hardness. Apply with the pump and filter running, and brush away any undissolved product from pool surfaces.
Do not pre-dissolve this product. Do not apply through a skimmer or chemical feeding device. Always follow the product label and do not swim if chlorine is above the acceptable range.
How to Use
Weekly Pool Maintenance
With the pump and filter running, broadcast 1 lb of BioGuard Smart Shock per 12,000 gallons of pool water directly into the pool. Apply weekly as part of a regular pool care routine. Brush any undissolved product off pool surfaces and continue circulating water after application according to label directions.
Light Algae Treatment
If light algae is present, vacuum leaves and debris from the pool, then brush visible algae thoroughly with a surface-compatible pool brush. With the pump running, broadcast 1 lb per 12,000 gallons directly into areas with the heaviest algae growth. Continue pump and filter operation after treatment and repeat if needed.
Re-Entry Guidance
Swimming may resume in as little as 15 minutes after application when label conditions are met and free chlorine is in the proper range. Do not enter the pool if chlorine is above 4 ppm.
Frequently Asked Questions
What is BioGuard Smart Shock used for?
BioGuard Smart Shock is used to shock, oxidize, buffer, and clarify swimming pool water. It also helps kill bacteria and control algae.
How much water does the 25 lb size treat?
At the standard rate of 1 lb per 12,000 gallons, a 25 lb size provides up to 300,000 gallons of total treatment across multiple applications.
Is BioGuard Smart Shock good for weekly maintenance?
Yes. BioGuard Smart Shock is commonly used weekly as part of a routine pool maintenance program.
Does this product help with algae?
Yes. BioGuard Smart Shock contains blue algae-killing crystals and can be used for light algae treatment according to label directions.
Do I need to pre-dissolve it?
No. BioGuard Smart Shock should not be pre-dissolved. Broadcast it directly into pool water as directed.

