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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Viendo del 121 al 140 (de 310 productos) Páginas de Resultados: [<< Anterior]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Siguiente >>] 
 Clase de Popularity   Fabricante   Producto(s)+   Modelo   Precio   Compre Ahora 
 GroChek pH/EC/TDS/Temp. Combo   Hanna Instruments   GroChek pH/EC/TDS/Temp. Combo 
Hanna Instruments GroChek pH/EC/TDS/Temp. Combo (HI991404)This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications. At startup, the GroChek performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the readin... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI991404   $186.81 
 GroChek replacement probe for HI9813   Hanna Instruments   GroChek replacement probe for HI9813 
Hanna Instruments GroChek replacement probe for HI9813 (HI1285)Keep your GroChek HI9813 pH temperature meter running strong with a companion replacement probe. The probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions. The meter this probe supports is a versatile, water resistant, multiparameter portable instrument specifically designed for ag... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI1285   $88.38 
 Grochek Replacement Probe for HI9813-5N & HI9811-5N   Hanna Instruments   Grochek Replacement Probe for HI9813-5N & HI9811-5N 
Hanna Instruments Grochek Replacement Probe for HI9813-5N & HI9811-5N (HI12855)This pH/EC/TDS/temperature probe probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions. It is a replacement electrode for the GroChek series "-5" models: HI9813-5 & HI9813-5N, and is designed for simplicity of use in taking pH, mS/cm, ppm and temperature in the °... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI12855   $105.12 
 GroChek TDS Meter.   Hanna Instruments   GroChek TDS Meter. 
Hanna Gro Chek TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS reading. A very handy device for the seriious gardener. Measured in PPM.Hanna Product Number: HI983301N ... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY180   $118.37 
 GroChek TDS Tester   Hanna Instruments   GroChek TDS Tester 
Hanna Instruments GroChek TDS Tester (HI981409)This TDS tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait un... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981409   $77.64 
 Grow More pH Down 30% Gallon (4/Cs)      Grow More pH Down 30% Gallon (4/Cs) 
Grow More pH Down 30%Grow More pH Down 30% Gallon (4/Cs) (721875)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Down to lower pH of nutrient solution with phosphoric acid. Not registered in the state of OR at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 721875   $14.58 
 Grow More pH Down 30% Quart (12/Cs)      Grow More pH Down 30% Quart (12/Cs) 
Grow More pH Down 30%Grow More pH Down 30% Quart (12/Cs) (721870)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Down to lower pH of nutrient solution with phosphoric acid. Not registered in the state of OR at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 721870   $5.46 
 Grow More pH Up 30% Gallon (4/Cs)      Grow More pH Up 30% Gallon (4/Cs) 
Grow More pH Up 30%Grow More pH Up 30% Gallon (4/Cs) (721865)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in Washington or Oregon at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 721865   $14.58 
 Grow More pH Up 30% Quart (12/Cs)      Grow More pH Up 30% Quart (12/Cs) 
Grow More pH Up 30%Grow More pH Up 30% Quart (12/Cs) (721860)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in the state of OR at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 721860   $5.46 
 Grower's Edge Wireless Remote Sensor      Grower's Edge Wireless Remote Sensor 
Grower's Edge Thermometer/Hygrometer with Sensor Large screen digital readout. Wireless sensor transmits up to 50 feet. Expandable to accept 2 additional sensors. Waterproof casing is chemical and UV resistant. Displays degrees in F or C. Wireless Sensor - For use with Grower's Edge Digital Thermometer & Hygrometer #716555. Transmits up to 50 feet. 2 AAA batteries included. R... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716557   $15.12 
 Guardian Monitor   Bluelab   Guardian Monitor 
Bluelab Guardian Monitor (BLU27100)In just one glance it magically measures all 3 critical parameters for successful growth; pH, conductivity AND temperature. The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase. The Blue... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BLU27100   $263.93 
 Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129)   Hanna Instruments   Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) 
Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) (eco-5529C)Combo pH/EC/TDS/C/PPM Tester Dual-level LCD Replaceable pH Electrode Cartridge Automatic Calibration Hanna Combo Pen The HI 98129 combo waterproof testers offer the highest accuracy in measurements with a single tester. Will measure pH, EC/TDS and temperature. SKU: HI98129 Weight: 1.0 lbs. Package Dim... Free Shipping when ordering $50 or more of qualifying items. — Ships from Seattle, Washington USA....more info.
 eco-5529C   $169.73 
 Hanna COMBO Tester (HI98129).   Hanna Instruments   Hanna COMBO Tester (HI98129). 
The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensati... — Ships from Portland, Oregon USA....more info.
 HY1741   $200.80 
 Hanna Conductivity Soil Test Pen (HI 98331)   Hanna Instruments   Hanna Conductivity Soil Test Pen (HI 98331) 
Hanna Conductivity Soil Test Pen (HI 98331) (eco-5523A)Hanna Soil Test Pen - The HI 98331 takes quick and accurate readings directly in soil. It is the only meter available that will take conductivity readings directly from the soil without creating a soil solution for testing. The meter also measures temperature and the conductivity readings are compensated for temperature... — Ships from Seattle, Washington USA....more info.
 eco-5523A   $127.09 
 Hanna Dist 1 TDS Pen (HI 98300)   Hanna Instruments   Hanna Dist 1 TDS Pen (HI 98300) 
Hanna Dist 1 TDS Pen (HI 98300) (eco-5524)Dist 1 Dist 1 are reliable, pocket-sized instruments that will give you quick and accurate readings of TDS. Comes complete with protective cap, screwdriver, batteries and instructions. One year warranty. Manufacturer's Product Information ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5524   $57.33 
 Hanna Dist 5 TDS Pen (HI 98311)   Hanna Instruments   Hanna Dist 5 TDS Pen (HI 98311) 
Hanna Dist 5 TDS Pen (HI 98311) (eco-5522A)DiST 5 EC/TDS Meter Dual-level LCD Replaceable Graphite Electrode Cartridge Automatic Calibration Dist 5 Dist 5 will accurately measure EC and TDS. Features include replaceable electrode, adjustable TDS ratio, temperature in degrees C or degrees F, automatic temperature compensation, battery level indicator and automa... Note: Calibration Buffer Solutions are available separately. Free Shipping when ordering $50 or more of qualifying items. — Ships from Seattle, Washington USA....more info.
 eco-5522A   $114.03 
 Hanna Gro'Chek pH Monitor HI 981401N   Hanna Instruments   Hanna Gro'Chek pH Monitor HI 981401N 
HI 981401N Gro'Chek Ph Monitor gel-filled pH electrode has been specially designed to address the needs of growers. Measurements are highly accurate and can be verified with two point calibration... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5521E   $96.98 
 Hanna Gro'Chek TDS Monitor HI 983301N   Hanna Instruments   Hanna Gro'Chek TDS Monitor HI 983301N 
HI 983301N Gro'Chek TDS Monitor displays instantaneous readings of both EC/ TDS/Temperature. Calibration and temperature compensation are automatic.... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5521F   $85.50 
 Hanna GroChek pHEP 4 Meter   Hanna Instruments   Hanna GroChek pHEP 4 Meter 
Hanna Instruments Hanna GroChek pHEP 4 Meter (HI98127)The pHEP 4 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration -- all in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying econ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98127   $85.03 
 Hanna GroChek pHEP 5 Meter   Hanna Instruments   Hanna GroChek pHEP 5 Meter 
Hanna Instruments Hanna GroChek pHEP 5 Meter (HI98128)The pHEP 5 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration -- all in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying economica... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98128   $93.73 
Viendo del 121 al 140 (de 310 productos) Páginas de Resultados: [<< Anterior]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Siguiente >>] 
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