Monster Logo

Phone Icon 855-476-9272

Phone Icon Sales & Support Mon-Fri. 10am - 6pm PST

Categories
New Products Quick Reorder Discreet Shipping Commercial Grower YouTube Nutrient Charts Tech Support

PPM, EC, TDS Meters

Show:
Sort By:
BlueLab Guardian Monitor
BlueLab Guardian Monitor The Bluelab Guardian is a constant indicator of the desired levels o..
Ships Free!
$364.00 $319.65
BlueLab Combo Meter, PPM & PH
Bluelab Combo Meter™ Better crops start with the Bluelab Combo Meter, it's all you need ..
Ships Free!
$298.00 $259.35
Bluelab Meter Carry Case
Bluelab Meter Carry Case Bluelab is excited to introduce a new accessory which makes transpor..
Ships Free
On Orders Over $149!
$25.00 $22.50
BlueLab Commercial Truncheon PPM Meter
Bluelab Truncheon® Nutrient Meter The world's favourite nutrient meter! With its super ..
Ships Free!
$133.95 $119.85
BlueLab Grower's Toolbox
BlueLab Grower's Toolbox  The Bluelab Grower’s Toolbox combines the essential to..
Ships Free!
$199.00 $179.95
Hanna GroChek pH/EC/TDS/Temp. Combo
Hanna GroChek pH/EC/TDS/Temp. Combo This indicator continuously monitors the three most cruci..
Ships Free!
$246.95 $209.90
Bluelab Replacement Probes for BlueLab Models
Bluelab Replacement Probes for BlueLab Models All BlueLab Replacement Probes. Choose your mod..
Ships Free!
$102.99 $69.00
HM Digital Aquapro TDS Water Tester Model AP-1
HM Digital Aquapro TDS Water Tester Model AP-1 Measures total dissolved solids..
Ships Free
On Orders Over $149!
$44.99 $32.25
HM Digital Handheld TDS Tester Model TDS-3
HM Digital Handheld TDS Tester Model TDS-3 Ideal for commercial use. Includes ..
Ships Free
On Orders Over $149!
$36.95 $28.96
Oakton Eco Tester TDS Low
Oakton Eco Tester TDS Low The Oakton Eco Tester TDS Low pocket meter features a large ergonom..
Ships Free!
$83.95 $81.65
Bluelab Conductivity Pen
Bluelab Conductivity Pen (previously called Bluelab ppm pen) The Bluelab conductivity pens ar..
Ships Free!
$89.00 $83.45
Hanna Instruments GroChek pH & TDS Combo Continuous Reading Meter
Hanna Instruments GroChek pH & TDS Combo Continuous Reading Meter This continuous reading..
Ships Free!
$249.99 $214.95
Oakton Combo PTtester35 TDS/pH Waterproof Tester
Oakton Combo PTtester35 TDS/pH Waterproof Tester Two important measurements in one instrument..
Ships Free!
$192.95 $167.85
Rapitest Soil Test Kit
Rapitest Soil Test Kit Why test your soil? Plants need food (nutrients) for health growth. Ni..
Ships Free
On Orders Over $149!
$18.95 $16.45

©2010 Monster Gardens - Seattle, WA - Rohnert Park, CA - New York, NY