water filter · Water test strips
JNW Direct Water Hardness Test Strips for Home Water - 150 Strips Kit
Quoted from the Amazon listing — confirm NSF/ANSI claim text on the live page before you buy. WaterVetted does not run lab tests.
Specs sourced from manufacturer listings · Certified vs claims labeled · WaterVetted does not run lab tests
Water test stripsJNW DirectAmazon Associates
Before you buy
What to verify on the live listing
- Exact model number and any NSF/ANSI claim text naming the contaminant you care about (42 taste/odor, 53 health claims such as lead, 58 for RO, 401 for named emerging compounds).
- Current price, stock, and cartridge replacement interval — our recorded price is a dated snapshot (as of 2026-10-25).
- We do not republish Amazon listing bullets or buyer reviews here. Open the retailer page for the current claim language and owner feedback. View current Amazon listing.
From the listing
Recorded details
- Brand
- JNW Direct
- Color
- change(223)
- Brand Name
- JNW Direct
- Item Weight
- 1.12 ounces
- Part Number
- Stargazer Set
- Manufacturer
- JNW Direct
- Model Number
- Water Hardness
- Item Highlight
- Includes 150 water hardness test strips for tap, well and softened water with fast results and an easy color chart.
How we know this
ASIN B07B31M49N is on file for this model. Model revisions can change certification language — always read the current listing before checkout. See our methodology for what we do and do not verify.
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