In hydroponic gardening, managing the nutrient solution is paramount, and two key parameters that dictate its effectiveness are Electrical Conductivity (EC) and Total Dissolved Solids (TDS).
EC/TDS probe
EC/TDS probe
Product List

Bluelab Conductivity Pen Meter and Probe Care...
Product Review Score
4.36 out of 5 stars
100 reviews$109.99 $102.09

Bluelab Guardian Monitor Wi-Fi for Real-time...
Product Review Score
4.5 out of 5 stars
70 reviews$399.00

Apera Instruments, LLC-AI314 Premium Series E...
Product Review Score
4.76 out of 5 stars
80 reviews$107.00 $91.33

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH...
Vivosun
Product Review Score
4.76 out of 5 stars
206 reviews$18.99 $15.99

TDS Meter, 3 in 1 TDS, EC & Temperature Meter...
Product Review Score
4.97 out of 5 stars
53 reviews$9.99

UIUZMAR Digital pH Meter pH TDS EC Meter for...
Product Review Score
4.75 out of 5 stars
225 reviews$25.95 $23.99
In essence, an EC/TDS probe provides crucial, real-time feedback on the nutrient strength of your hydroponic solution.