0Cart

Meters & Controllers

Sort by:
Price: High to Low
Show:
20
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$127.44
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$115.47
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$101.78
Save 15%
GroStar GS1 pH Pen
In stock
$98.27 $115.99 -15%
Save 16%
GroStar GS3 EC Pen
In stock
$95.75 $113.99 -16%
Save 8%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$87.79 $95.00 -8%
Save 15%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$85.01 $99.95 -15%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$84.68
Save 4%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$76.05 $79.00 -4%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$71.85
Save 16%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$67.19 $79.99 -16%
Save 16%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$50.39 $59.99 -16%
Save 16%
Gardena Smart Flow Water Meter
In stock
$49.55 $58.99 -16%
Save 16%
GroStar GS3-E replacement EC electrode
In stock
$45.35 $53.99 -16%
Save 16%
GroStar GS1-E replacement pH electrode
In stock
$42.83 $50.99 -16%
Save 16%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$38.21 $49.95 -24%
Save 19%
HM Digital PH-80 pH/Temperature Meter
In stock
$37.69 $46.50 -19%
Save 14%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In stock
$36.86 $42.95 -14%
Save 15%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
In stock
$33.99 $39.95 -15%
Show another 20 products
Product filters
Free Shipping
In Stock
Price
$
–
$
  • $7
  • $684
Shop Owner
Brand
    Show all (15)