In The Swim Pool Shock
Best high-strength sanitizer for pool owners needing rapid water clarity.
This is the heavy-duty reset button your pool needs to wipe out algae and bacteria in a single pass. It’s incredibly potent at sanitizing, but you’ll need to be diligent about pre-dissolving the granules to avoid bleaching your liner.
$161.98
at
MartDiscover
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Who it's for
- Pool owners needing powerful algae and bacteria elimination
- Swimmers wanting minimal downtime after chemical treatments
- Budget-conscious owners buying in bulk for seasonal savings
Who should skip it
- Owners with already high calcium hardness levels
- Users needing immediate water clarity for upcoming events
- Homeowners lacking dedicated, climate-controlled storage space
Performance breakdown
Sanitization Potency
High-concentration calcium hypochlorite delivers a rapid, aggressive kill rate for contaminants.
Versatility
Effective across pools, spas, and hot tubs for flexible maintenance routines.
Ease of Application
Requires careful pre-dissolving to avoid damaging delicate vinyl pool liners.
Treatment Capacity
The 25-pound bulk size offers substantial coverage for large-volume pool systems.
Algae Control
Formulated to quickly break down stubborn algae blooms and cloudy water.
Maintenance Efficiency
Simple dosage math makes regular weekly shock treatments straightforward and predictable.
Key Specs
Brand
In The Swim
Item Weight
25 Pounds
Item Form
Granular
Active Ingredient
68% Calcium Hypochlorite
Pool Surface Compatibility
Vinyl Liner
Application Type
Shock Treatment
Treatment Volume Gallons
250000.0
Chlorine Type
Calcium Hypochlorite
Product Type
Pool Shock
Pool Type Compatibility
Spa
Know before you buy
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Ask Metto anything about the In The Swim Pool Shock before you decide.