On The Go OTG3NTP3M Portable Water Softener
On The Go's OTG3NTP3M portable water softener, a compact softener for RV hard water protection.
Price range: See on Amazon
What we liked
- + Compact size is easier to store than double softeners
- + On The Go softeners regenerate with ordinary table salt
- + Protects plumbing and fixtures from mineral buildup
Trade-offs
- - Check the grain capacity before buying
- - Smaller units need regeneration more often
Prices change often, so check the current price and availability on Amazon.
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