Vivosun pH and TDS Meter Combo, pH Pen plus 3-in-1 TDS/EC/Temperature Tester
- Vivosun
Vivosun pH and TDS Meter Combo, pH Pen plus 3-in-1 TDS/EC/Temperature Tester
- Vivosun
A two-pen kit for keeping tabs on a nutrient reservoir: a pH tester and a 3-in-1 meter that reads TDS,... Read more
$18.99
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