Pentair Rainbow 320 Inline Tablet Feeder
Best automatic sanitizer for pool owners seeking effortless water maintenance.
This in-line feeder turns the chore of pool maintenance into a set-it-and-forget-it routine. You sacrifice the granular control of manual dosing, but you gain the peace of mind that comes with perfectly consistent, crystal-clear water all season long.
$115.99
at
Amazon
Who it's for
- Pool owners seeking a low-maintenance, automated sanitization routine
- Busy homeowners wanting extended intervals between chemical refills
- Precise pool managers needing exact control over chlorine output
Who should skip it
- Novice DIYers uncomfortable with cutting into existing PVC plumbing
- Owners of sensitive downstream equipment like heaters or heat pumps
- Users sensitive to chemical fumes or handling harsh sanitizing tablets
Performance breakdown
Sanitation Consistency
Automated tablet erosion ensures steady chemical levels throughout the filtration cycle.
Installation Simplicity
Straightforward plumbing integration makes for a quick and painless weekend project.
Build Durability
Rugged, chemical-resistant materials withstand years of harsh pool environment exposure.
Maintenance Efficiency
Top-loading design allows for fast tablet refills without breaking the seal.
Flow Control Precision
The external dial offers granular control over chemical output and distribution.
System Compatibility
Versatile design integrates seamlessly into most standard residential pool plumbing setups.
Key Specs
Dimensions
17.75 inches H x 5 inches W x 10 inches D
Capacity
11 large or 98 small tablets
Treatment Volume
Up to 658,500 gallons
Compatibility
1-inch or 3-inch chlorine/bromine tablets
Installation Type
In-line pressure side
Maximum Operating Pressure
50 PSI
Fittings
2 inch slip PVC with 1.5 inch adapters
Certifications
NSF Listed
Material
Heavy-duty plastic
Venting
Not required
Know before you buy
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Ask Metto anything about the Pentair Rainbow 320 Inline Tablet Feeder before you decide.
