Water softener (salt) · checked 16 Oct 2026
On The Go Portable Double Standard Water Softener
Model OTG4-DBLSOFT
Lead:not claimedPFAS:not claimed
Each claim, checked
What the brand says, what a certification listing shows for this model, and where each fact comes from. We read listings; we do not test products.
- Certified (listing checked)The certifier’s public listing shows this claim for this model.
- Brand says certifiedThe brand says certified; IAPMO’s listing does not show it. NSF can be checked by hand.
- Brand claim onlyThe brand claims it without citing a certification.
| Contaminant | Brand claim | Standard | Certifier | Confirmed? | Source, date checked |
|---|---|---|---|---|---|
| Hardness | “The softener provides soft water that prevents hard water and rust stains, avoids scale build-up, improves taste and odor” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Scale | Same statement as for Hardness. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Taste and odor | Same statement as for Hardness. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often On The Go says to replace each part. Real filter life depends on how much water you use and what is in it.
| Part | Brand says replace every | Changes a year | Source, date checked |
|---|---|---|---|
| Softener resin (portable unit) | 7–10 years“How often do you need to change the softener resin inside the tank? Our softener resin is good for 7 to 10 years.” | 1 every 7–10 years | brand sourcechecked 16 Oct 2026 |
Certification listings found
No IAPMO R&T listing matched this model when we searched on 16 Oct 2026.
Check it yourself
NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model: