water filter · TDS / pH meters
GIDIGI 0-9990ppm pH pen with Color Display & Green Probe
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
TDS / pH metersGIDIGIAmazon 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
- Item Weight
- 11.3 ounces
- Manufacturer
- Jinan Jixindianziyouxiangongsi
- Item model number
- GX-3Pro
- Package Dimensions
- 9.96 x 4.06 x 2.01 inches
- Date First Available
- February 28, 2026
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