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Displaying 181 to 200 (of 315 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Champ pH Tester   Hanna Instruments   Champ pH Tester 
Hanna Instruments Champ pH Tester (HI98106)The Champ revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This tester is used by millions of people around the world to monitor pH in laboratories and industrial applications as well as in agriculture, fish farming, food manufacturing and quality control, s... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI98106   $43.76 
 CW DIPSTICK   Control Wizard   CW DIPSTICK 
DigiStick™ DIGI STICK The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro conductivity of the nutrient solution or water sample and automatically freezes the display reading. PPM, EC and CF scales are easily accessed by easy to read buttons. Cutting edge electronic circuitry keep... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716571   $56.65 
 DiST 1 TDS Tester   Hanna Instruments   DiST 1 TDS Tester 
Hanna Instruments DiST 1 TDS Tester (HI98301)DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the pr... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI98301   $47.93 
 Dosatron In-Line Guardian Monitor Kit - No Mixing Chamber (Special Order)      Dosatron In-Line Guardian Monitor Kit - No Mixing Chamber (Special Order) 
Includes the Guardian Monitor with in-line ppm/temperature and pH probes and all necessary plumbing connections to install into the system.... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 709014   $540.78 
 Dual Grochek - Same as above - self calibrating (HI991404)   Hanna Instruments   Dual Grochek - Same as above - self calibrating (HI991404)  
Dual Grochek - Same as above - self calibrating (HI991404) (eco-5422D)GroChek pH/EC/TDS/Temp. Combo Large, Dual-level Backlit LCD Waterproof Auto Calibration & pH Temp. Computing Hanna Dual Grochek The HI 991404 continuously monitors pH/EC/TDS/Temp. in your nutrients. Comes with a rugged, nonclogging pH electrode and conductivity probe that will stand up to the most agressi... — Ships from Seattle, Washington USA....more info.
 eco-5422D   $178.25 
 Future Harvest Nutradip Nutrient Meter PPM Dual Power AC DC   FHD (Future Harvest Development)   Future Harvest Nutradip Nutrient Meter PPM Dual Power AC DC 
Nutradip Nutrient MeterNutradip® Nutrient Meters are the reliable way to measure the strength of your gardens nutrient supply. It is a continuous monitoring meter with automatic temperature compensation and dc power built in for portability. Lightweight, portable and splash resistant. Wall mount or hand held -AC & DC powered. Easy to read plant... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716350   $77.03 
 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   $98.12 
 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....more info.
 721875   $15.71 
 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....more info.
 721870   $5.89 
 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. — Ships from Seattle, Washington USA....more info.
 eco-5522A   $94.52 
 HM Digital™ HydroMaster Continuous pH/EC/TDS/Temp Monitor Model HM-500   HM Digital   HM Digital™ HydroMaster Continuous pH/EC/TDS/Temp Monitor Model HM-500 
HydroMaster Digital tester makes monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount or benchtop use. Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS. Stores up ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716147   $245.28 
 Milwaukee pH Controller MC122   Milwaukee Instruments   Milwaukee pH Controller MC122 
Milwaukee Instruments pH Controller - MC122 Professional pH controller User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter and mounting kit Power plug for CO2 dosing Double junction pH electrode with 2m cable (BNC connector) ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716690   $145.94 
 pH Soil Meter (Special Order)   Hanna Instruments   pH Soil Meter (Special Order) 
Hanna Instruments pH Soil Meter (HI99121N)With this direct soil pre-amplified pH and temperature probe, you can test both the pH of soil directly or after preparation of a diluted sample. The meter features a conical, rugged tip that can be directly inserted in moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground. Features ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI99121N   $316.79 
 PH/EC/TDS/C Portable Meters   Hanna Instruments   PH/EC/TDS/C Portable Meters 
Hanna Instruments PH/EC/TDS/C Portable Meters (HI9811-5N)Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this pH/EC/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperatur... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9811-5N   $185.50 
 Soil Conductivity/Salinity Meter w/ Carrying Case (SPECIAL ORDER)   Hanna Instruments   Soil Conductivity/Salinity Meter w/ Carrying Case (SPECIAL ORDER) 
Hanna Instruments Soil Conductivity/Salinity Meter w/ Carrying Case (HI993310) (SPECIAL ORDER) This instrument was designed to address the need for fast and accurate conductivity measurements in soil and liquids. It is supplied with two probes: a stainless steel, conical tip for direct soil measurement and one for fertilizer-enriched solutions. The meter measures the soil con... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI993310   $444.64 
 Bluelab Connect Range Extender (Special Order)   Bluelab   Bluelab Connect Range Extender (Special Order) 
Boost the wireless range between Bluelab Connect Products. The Bluelab Connect Range Extender is required if you need to boost the signal range for wireless monitoring of your crop. Simply plug into a power supply to use when there is a longer distance to cover between Bluelab Connect devices and the Bluelab Connect Stick. For extra-long distances multiple Connect Range Extenders... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU8003   $113.95 
 Bluelab Growers Toolbox   Bluelab   Bluelab Growers Toolbox 
Bluelab Grower's Toolbox - Limited Edition The Bluelab Grower’s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going… And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716194   $140.16 
 Bluelab pH meter with probe   Bluelab   Bluelab pH meter with probe 
Bluelab Bluelab pH meter with probe (BLU2320E)The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops' daily nutrient requir... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2320E   $145.91 
 Bluelab ppm Pen   Bluelab   Bluelab ppm Pen 
Bluelab Bluelab ppm Pen (BLU2221)The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustmen... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2221   $65.20 
 Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER)   Hanna Instruments   Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER) 
Hanna Instruments Conductivity/TDS Probe for Soil Measurement of HI993310 (HI76305)(SPECIAL ORDER) Stainless steel conductivity probe with internal temperature sensor, DIN connector and 1 m (3.3') cable for direct soil measurement. For use with HI993310 only.   Manufacturer's Product Information ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI76305   $109.05 
Displaying 181 to 200 (of 315 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
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Commercial Air Pump with 6 outlets, 45L per minute
It does the job but it is VERY loud and it heats up. Not a ..
3 of 5 Stars!
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