10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester - from $29.99 - listed at
Rated 3.5 out of 5 from 54 retailer reviews.
| Retailer | Price | As of | Availability | |
|---|---|---|---|---|
| Walmart | $29.99 | 2026-10-10 | In stock | Buy at Walmart |
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