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Products meeting the search criteria: Co meter

Products meeting the search criteria
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Displaying 1 to 20 (of 45 products) Result Pages:  1  2  3  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter   Bluelab   Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter 
Bluelab Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter (BLU24102)Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life! ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-BLU24102   $45.30 
 BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE   Bluelab   BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE 
Blue Lab Combo Meter COMBO METER/BLUELAB Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display for easy r... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716441   $199.33 
 REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS   Bluelab   REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS 
Blue Lab Combo Meter PH REPLACEMENT ELECTRODE BLUE Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display ... Note: Calibration Buffer Solutions are available separately. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716445   $45.30 
 Hydrofarm Light Meter   HydroFarm   Hydrofarm Light Meter 
Hydrofarm Light Meter (eco-4541)Hydrofarm Light Meter (Footcandles) Hydrofarm Light Meter Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types of energy (in the lighting spectrum) drive the photosynthesis process. Since light is the most important single factor affecting your... — Ships from Seattle, Washington USA....more info.
 eco-4541   $15.06 
 MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)   Milwaukee Instruments   MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE) 
Smart pH/EC/TDS Combo. Meter Model MW802 The MW802 is a compact portable meter with faster micro processor. This meter allows you to measure pH, EC and TDS with just one instrument and one single probe! This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Also has 100% larger and easier to read LED Display and long battery life. It c... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716615   $168.32 
 Active Air In-Out Therm. w/ Hygrometer   HydroFarm   Active Air In-Out Therm. w/ Hygrometer 
Active Air In-Out Therm. w/ Hygrometer (eco-2371)ActiveAir Indoor-Outdoor Thermometer w/ Hygrometer Active Air™ Indoor-Outdoor Thermometer The large display shows current temperature and humidity levels, and includes a remote probe for second zone temperature. Records high and low points for both temperature and humidity. Active Air™ Indoor-Outdoor Thermometer - w/ Hyg... — Ships from Seattle, Washington USA....more info.
 eco-2371   $13.09 
 HM WATERPROOF EC/TDS/TEMP COMBO METER   HM Digital   HM WATERPROOF EC/TDS/TEMP COMBO METER 
HM Digital Waterproof EC-TDS-TEMP Combo Meter COM-100 Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor. Automatic Temperature Compensation (ATC) using three temperature coefficients. Waterproof housing. Measurement Range: 0-9990 µS; 0-8... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716160   $49.56 
 3/4" Inside Diameter Black 100'   HydroFarm   3/4" Inside Diameter Black 100' 
3/4” Inside Diameter Black 100’ (eco-5397)3/4" Inside Diameter Black Tubing 100' Use our sturdy black vinyl tubing to make your own hydroponic systems. Easy to use flexible thick wall tube (wall thickness 0.070) Six convenient sizes 100 foot rolls Convenient dispenser packs Black & Clear Tubing Black and Clear Tubing is easy to use flexible thickwall vinyl tubing. ... — Ships separately from Seattle, Washington USA....more info.
 eco-5397   $49.18 
 CO2 Flow Meter. .1 - 1 CFH   Control Wizard   CO2 Flow Meter. .1 - 1 CFH 
.1 - 1 FLOW METER Floating ball adjustment. Replacement part for the Control Wizard co2 bottle regulator system. The picture may vary from the discription.... — Ships from Portland, Oregon USA....more info.
 CO201   $56.82 
 ActiveAqua Floating Thermometer (24/cs)   HydroFarm   ActiveAqua Floating Thermometer (24/cs) 
ActiveAqua Floating Thermometer (24/cs) (eco-2219)ActiveAqua™ Floating Thermometer The ActiveAqua™ Floating Temperature Gauge - delivers easy and accurate readings of your water temperature. The gauge floats and has a pressure sensitive backing for easy mounting. It features readings in both Celsius and Fahrenheit as well as clear markings that delineate ideal nutrient ... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2219   $1.37 
 1/2" Inside Diameter Black 100'   HydroFarm   1/2" Inside Diameter Black 100' 
1/2” Inside Diameter Black 100’ (eco-5405)1/2" Inside Diameter Black Tubing 100' Use our sturdy black vinyl tubing to make your own hydroponic systems. Easy to use flexible thick wall tube (wall thickness 0.070) Six convenient sizes 100 foot rolls Convenient dispenser packs Black & Clear Tubing Black and Clear Tubing is easy to use flexible thickwall vinyl tubing. Available... — Ships from Seattle, Washington USA....more info.
 eco-5405   $17.68 
 Twist Ties – 50 meters   HydroFarm   Twist Ties – 50 meters 
Twist Ties – 50 meters (eco-2234)Twist Ties comes plastic coated with a cutting tool built-in to the dispenser. Manufacturer's Product Information MSRP $2.95 ... — Ships from Seattle, Washington USA....more info.
 eco-2234   $1.94 
 Nutradip PH AC/DC Combo Meter   FHD (Future Harvest Development)   Nutradip PH AC/DC Combo Meter 
Nutradip (Tri Meter) Nutradip PH AC/DC Combo Meter (ND1100024)Nutradip pH Meters are the reliable way to measure acidity in your nutrient solution. It is a continuous monitoring pH meter with automatic temperature compensation and dc power built in for accuracy and durability, helping growers measure and monitor their success for over 15 years. Features• Wall mount or hand he... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-ND1100024   $87.36 
 COMMERCIAL TRUNCHEON METER (EC/PPM)   Bluelab   COMMERCIAL TRUNCHEON METER (EC/PPM) 
Bluelab Commercial Truncheon® EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale) Fully waterproof Factory calibrated Auto sense on and off No external switches or adjustable buttons Battery life minimum 1 year (or shelf life of battery) 5 year Bluelab guarantee The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716049   $90.60 
 Active Air 3-Way Meter (12/case)   HydroFarm   Active Air 3-Way Meter (12/case) 
Active Air 3-Way Meter (12/case) (eco-2374)ActiveAir 3 - Way Meter Active Air™ Environment Meters Gardeners can conveniently test their moisture, light, and pH levels with the handy ActiveAir 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), light readings range from 0 (low light) to 2000 (very strong light), and pH readings between pH 0 (acid... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2374   $5.45 
 BlueLab Combo Meter   Bluelab   BlueLab Combo Meter 
Bluelab BlueLab Combo Meter (BLU2300E)It's all you need for simple and reliable crop management and it's all within arm's reach! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo M... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-BLU2300E   $194.15 
 Active Air Hygro-Thermometer   HydroFarm   Active Air Hygro-Thermometer 
Active Air Hygro-Thermometer (eco-2370)Active Air™ HygroThermometerActive Air™ HygroThermometer - This large number LCD display is visible from a distance. Very accurate and hangs or mounts on a wall surface. Easily readable display, hang or mount on wall, super value!Measures both Humidity and TemperatureEasily readable displayHang or mount on wallSuper value ... — Ships from Seattle, Washington USA....more info.
 eco-2370   $14.40 
 Grocheck Combo Meter.   Hanna Instruments   Grocheck Combo Meter. 
HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA....more info.
 HY177   $205.55 
 1/4" Outside Diameter Black Tubing 100'   HydroFarm   1/4" Outside Diameter Black Tubing 100' 
Use our sturdy black vinyl tubing to make your own hydroponic systems. Easy to use Flexible thick wall tube (wall thickness 0.042") Inside diameter: 0.170", Outside diameter: 1/4" ... — Ships from Seattle, Washington USA....more info.
 eco-5398   $12.43 
 Commercial Truncheon Meter   Bluelab   Commercial Truncheon Meter 
Bluelab Commercial Truncheon Meter (BLU2100E)Big jobs require a big Truncheon! With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle. It's super tough, fully waterproof, has no o... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-BLU2100E   $90.60 
Displaying 1 to 20 (of 45 products) Result Pages:  1  2  3  [Next >>] 
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