Menu

Meters & Controllers

pH Meters
pH Meters
EC/MC/TDS Meters
EC/MC/TDS Meters
Calibration Solutions
Calibration Solutions
Aqua Master Tools P110 Pro Electrode
Aqua Master Tools P110 Pro Electrode - Replacement pH, EC & Temperature Probe - 3.6 x 1.2 x 1.2-in
In Stock: 1
$41.80 $49.95 -16%
Aqua Master Tools E300 Pro Substrate EC/Temp
Aqua Master Tools E300 Pro Substrate EC/Temp Meter - 0.0-19.9 mS/cm - 0-50°C
In Stock: 15
$118.33 $149.95 -21%
HM Digital Pro Series Pen Style TDS/EC/Temp Meter - 7.28 x 1.34 x 1.34-in - IP-67 Waterproof
HM Digital Pro Series Pen Style TDS/EC/Temp Meter - 7.28 x 1.34 x 1.34-in - IP-67 Waterproof
In Stock: 14
$63.91 $74.95 -15%
iPonic Extension Cable for Sensor 50ft
Iponic Extension Cable for Sensor - 50 ft
In Stock: 6
$98.20 $122.64 -20%
Aqua Master Tools P110 Pro 2 Electrode - Replacement pH, EC & Temperature Probe - 3.6 x 1.2 x 1.2-in
Aqua Master Tools P110 Pro 2 Electrode - Replacement pH, EC & Temperature Probe - 3.6 x 1.2 x 1.2-in
In Stock: 8
$46.86 $54.95 -15%
Aqua Master Tools Calibration Solution pH 7.00 20ml Sachet
Aqua Master Tools Calibration Solution - pH 7.00 - 20 ml Sachet
In Stock: 6
$40.89 $50.00 -18%
HM Digital Pro Series Dual Probe pH/TDS/EC/Temp meter
HM Digital Pro Series Dual Probe pH/TDS/EC/Temp Meter - COM-360 - 0-14 pH - 0-9990 µS EC
In Stock: 19
$136.04 $174.95 -22%
HM Digital TDS 1000 ppm calibration solution - 20 packets of 20 ml
HM Digital TDS 1000 ppm Calibration Solution - 20 ml Packets - 20 Count
In Stock: 118
$21.53 $24.95 -14%
Aqua Master Tools H600 Pro Handheld Meter - pH, EC, TDS, PPM & Temp
Aqua Master Tools H600 Pro Handheld Meter - pH, EC, TDS, PPM & Temp
In Stock: 18
$216.62 $274.95 -21%
Aqua Master Tools H600 Pro Handheld Substrate Meter - pH, EC, TDS, PPM & Temp - 9V Battery Included
Aqua Master Tools H600 Pro Handheld Substrate Meter - pH, EC, TDS, PPM & Temp - 9V Battery Included
In Stock: 1
$278.59 $354.95 -22%
Aqua Master Tools Storage Container - For 12mm pH Electrodes
Aqua Master Tools Storage Container - For 12mm pH Electrodes
In Stock: 40
$5.73 $5.95 -4%
General Hydropnics pH Test Indicator 8 fl oz
General Hydroponics pH Test Indicator - 8 fl oz
In Stock: 226
$12.79 $15.55 -18%
HM Digital pH Electrode Storage Solution - 60 cc
HM Digital pH Electrode Storage Solution - 60 cc
In Stock: 37
$8.14 $8.95 -9%
Aqua Master Tools P110 Pro 2 Combo Pen
Aqua Master Tools P110 Pro 2 Combo Pen - pH, EC & Temperature Meter - 10.2 x 2.8 x 1.2-in
In Stock: 22
$90.12 $114.95 -22%
Aqua Master Tools P160 Pro Electrode
Aqua Master Tools P160 Pro Electrode - Replacement for P160 Pro Combo Pen - 3.6 x 1.2 x 1.2-in
In Stock: 6
$41.80 $49.95 -16%
Aqua Master Tools P700 Pro 2 Combo Meter
Aqua Master Tools P700 Pro 2 Combo Meter - pH, EC, CF, PPM & Temperature - 700 PPM Scale
In Stock: 11
$221.50 $289.95 -24%
Aqua Master Tools Industrial Inline pH Electrode - 3/4-in Male Thread - BNC Connector - 6 Bar
Aqua Master Tools Industrial Inline pH Electrode - 3/4-in Male Thread - BNC Connector - 6 Bar
In Stock: 52
$127.26 $149.95 -15%
Aqua Master Tools Probe Holder - 12mm Electrode - 1/2-in Male Thread
Aqua Master Tools Probe Holder - 12mm Electrode - 1/2-in Male Thread
In Stock: 26
$9.80 $10.50 -7%
Aqua Master Tools UTP Cable for C800 Pro Controller - 15 m (49.2 ft)
Aqua Master Tools UTP Cable for C800 Pro Controller - 15 m (49.2 ft)
In Stock: 7
$16.63 $17.50 -5%
Aqua Master Tools Calibration Solution pH 7.00 - 500 ml - 8 Count
Aqua Master Tools Calibration Solution pH 7.00 - 500 ml - 8 Count
In Stock: 13
$116.70 $140.00 -17%
Show other 18 products
Product filters
Free Shipping
In Stock
Price
$
–
$
  • $5
  • $2493
Shop Owner
Brand
Show all (11)
Best Sellers