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On The Go

On The Go OTG3NTP3M Portable Water Softener

  • 8,000 grain unit, 320 to 800 gallons per charge
  • Regenerates in under 15 minutes with one box of table salt
  • No electricity, standard hose connection
  • 22 inch tall, 6.75 inch diameter, 18 lb
  • Soft water for up to 20 days
  • Back-flush adapter, test strips and 4 ft hose included

Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A compact manual softener sized for an RV, hooking to a standard hose with no power needed. The gallon figure depends on hardness, so confirm your water first.

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ASIN: B001FCE0MQModel: OTG3NTP3M

Overview

Hooking a standard hose to this compact tank softens water for an RV without electricity or tools. Ion exchange resin does the work, a carry handle and large-mouth opening ease recharging, and the inlet swivels so the hose connects without strain.

Fast recharging with common table salt and a light, storable shape are the reasons to carry it. The limitation is capacity: the gallons per charge run from low to high depending on hardness, and the spec sheet and description give different dimensions.

Who it's for

RVers who park in hard-water areas and want something to stow in a storage bay can regenerate it with salt between trips. A family home with high daily use needs a larger fixed softener.

Pros and cons

Pros
  • No electricity needed
  • Regenerates with common table salt
  • Carry handle and swiveling inlet
  • Test strips and back-flush adapter included
Cons
  • Gallons per charge vary with hardness
  • Spec sheet and description dimensions differ
  • Manual regeneration needed

Performance notes

Ion exchange resin captures hardness minerals, so how many gallons it treats depends on the water hardness and the grain rating. The high-flow shut-off valve allows a slow rinse, and backflushing with the adapter handles reverse connection. Recharging with a box of salt is quick.

Specifications

BrandOn The Go
ModelOTG3NTP3M
Dimensions & fit
Item Dimensions L X W X H7"L x 19.5"W x 7.3"H
Capacity & performance
Capacity800 gallons
Filter Life Cycle20 days
Power & efficiency
Power SourceManual
Construction & materials
Material TypePolypropylene
Compatibility & installation
Installation TypeFreestanding
Included components
Included ComponentsHose, Backflush,
Unit Count1 Count
Warranty & support
Supported Water TDS Level Maximum PPM427
Other details
Container TypeTank
Other Special Features Of The ProductPortable
Purification MethodIon Exchange

Frequently asked questions

Does the On The Go softener use a standard hose?

Yes. The description says it uses a standard hose connection with tool-free hook-up, and the inlet swivels 360 degrees.

Does it need power?

No. The power source is manual and the description says it requires no electricity.

How much water does it soften between regenerations?

The listing says 320 to 800 gallons, at a hardness of 10 to 25 grains.

What is in the package?

Hardness test strips, storage inlet and outlet caps, a handle, hose adapters, a back-flush adapter, a 4 ft white drinking hose and a full cradle base.