In The Swim Granular Chlorine
Best fast-acting sanitizer for pool owners dealing with hard water.
This is the go-to sanitizer for anyone battling hard water or stubborn cloudiness. Its calcium-free, fast-dissolving formula cuts through the maintenance headache, though you’ll need to be diligent about testing since it packs such a potent, UV-stabilized punch.
$236.55
at
Bigbigmart
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Who it's for
- Outdoor pool owners needing long-lasting sun protection
- Busy pool owners wanting fast, hassle-free maintenance
- Pool owners needing a powerful, versatile sanitizing solution
Who should skip it
- Owners with already high stabilizer levels in their water
- Pool owners who prefer low-maintenance chemical balancing
- Owners with delicate vinyl or fiberglass pool liners
Performance breakdown
Dissolution Speed
Granular formula disperses rapidly, minimizing wait times before swimming.
Hard Water Compatibility
Calcium-free composition prevents cloudy water buildup in challenging environments.
UV Resistance
Stabilized chemistry ensures chlorine remains active under direct sunlight exposure.
Sanitization Potency
High 56% available chlorine concentration delivers aggressive bacteria and algae control.
Application Versatility
Effective across diverse water features, from spas to large pools.
Chemical Balance Impact
pH-balanced formulation reduces the need for frequent water chemistry adjustments.
Key Specs
Weight
5 lbs
Active Ingredient
99% Sodium Dichloro-S-Triazinetrione Dihydrate
Available Chlorine
56%
Chemical Form
Granular
UV Stabilized
Yes
Calcium-Free
Yes
pH Value
pH Balanced
Pool Surface Compatibility
All types
Pool Type Compatibility
In-ground, Above-ground, Spas
Saltwater System Compatible
Yes
Know before you buy
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Ask Metto anything about the In The Swim Granular Chlorine before you decide.