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Sun Hut Blackout 410 - 7.9 ft x 7.9 ft x 6.6 ft
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Sun Hut Blackout 410 - 7.9 ft x 7.9 ft x 6.6 ft
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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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Displaying 141 to 160 (of 352 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Checker pH Tester with Replaceable Electrode   Hanna Instruments   Checker pH Tester with Replaceable Electrode 
Hanna Instruments Checker pH Tester with Replaceable Electrode (HI98103)The pH Checker supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. The pH electrode of the Checker can be easily replaced. You only need to unscrew the electrode from the meter ... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HI98103   $29.98 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716571   $59.17 
 Double Junction PH Probe for MW100   Milwaukee Instruments   Double Junction PH Probe for MW100 
Milwaukee Instruments Double Junction PH Probe for MW100 (MISE220)Double junction pH electrode with 1 meter ccable and gel filled electrolyte solution for all "MW" and old style "SM" pH units.**Note: This probe replaces the old MA911B/1 Manufacturer's Product Information MSRP ... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-MISE220   $41.69 
 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 Free Shipping when ordering $50 or more of qualifying items....more.
 eco-5422D   $198.95 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716350   $80.46 
 Future Harvest Nutradip pH Replacement Probe   FHD (Future Harvest Development)   Future Harvest Nutradip pH Replacement Probe 
Nutradip pH Replacement ProbeFuture Harvest Nutradip pH Replacement Probe (716365)Nutradip pH Probes are the reliable way to measure acidity in your nutrient solution. The pH Probe is a continuous monitoring pH meter with automatic temperature compensation, and dc power built in for portability. Nutradip Probes are engineered for accuracy and durability, helping growers measure... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716365   $49.96 
 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 Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HI1285   $101.71 
 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.
 HY180   $101.95 
 Hanna pH Checker Kit - HI 98103H   Hanna Instruments   Hanna pH Checker Kit - HI 98103H 
Includes: HI 98103 pH tester, instrument case, calibration tool, and two each of pH 7.01, 4.01 and cleaning solution sachets (20 mL each).... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA...more.
 eco-5524A   $34.46 
 HortiCare Nutrient Check PPM   Trans Instruments   HortiCare Nutrient Check PPM 
HortiCare Nutrient Check PPM (716021)HortiCare Nutrient Check PPM The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. Each plant has its preferred nutrient concentration to facilitate the absorption process to the roots. Wrong concentration may result in wilting and suppresses p... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716021   $59.72 
 MULTITEST NITRITE/NITRATE   Seachem   MULTITEST NITRITE/NITRATE 
Seachem Multi•Test™ Nitrite/Nitrate 75 TESTS This kit measures nitrite down to 0.2 mg/L and nitrate down to 2 mg/L in marine or freshwater.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 729012   $12.62 
 pH Test Kit 1 oz.   General Hydroponics   pH Test Kit 1 oz. 
pH Test Kit 1 oz. (eco-5517)pH Test Kit, 1 oz pH test kit. Contains pH test fluid and test strips SKU: GH1515 Weight: 1.0 lbs. Package Dimensions: 5.5L x 2.6W x 1.0H Suggested Retail: $7.54 Manufacturer's Product Information MSRP $7.54 ... — Ships from Seattle, Washington USA...more.
 eco-5517   $4.60 
 Rapitest Soil Tester (12/Cs)   Luster Leaf Products, Inc.   Rapitest Soil Tester (12/Cs) 
Rapitest Soil Tester It’s vital to know the existing pH, Nitrogen, Phosphorus and Potash levels in garden soil. The soil’s pH controls the availability of these three nutrients essential to plant health. Test results allow the gardener to amend and fertilize appropriately, ensuring the best possible growing results. 4 color-coded tests: 1 each for pH, nitrogen, phosphorous and... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716917   $4.62 
 Bluelab Grower's Toolbox-Limited Edition   Bluelab   Bluelab Grower's Toolbox-Limited Edition 
Bluelab Bluelab Grower's Toolbox-Limited Edition (BLU8000)A handy pack with everything you need to get going and keep growing! 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... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 hf-BLU8000   $146.40 
 Bluelab Guardian Monitor Connect   Bluelab   Bluelab Guardian Monitor Connect 
Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and temperature readings. The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You can access the ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 hf-BLU8001   $364.78 
 Combo pH/ ORP/ Temperature Tester   Hanna Instruments   Combo pH/ ORP/ Temperature Tester 
Hanna Instruments Combo pH/ ORP/ Temperature Tester (HI98121)• Waterproof and it floats!• HANNA's exclusive cartridge pH and ORP electrode• Extendable cloth pH junction• Automatic Temperature Compensation• Automatic calibration• Battery % Level at startup and stability indicator• HOLD function HI98121 is a waterproof meter that measures pH, ORP an... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HI98121   $137.58 
 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 Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-BLU2100E   $102.48 
 Cont. pH/TDS/temp Monitor (Special Order)   Hanna Instruments   Cont. pH/TDS/temp Monitor (Special Order) 
Hanna Instruments Cont. pH/TDS/temp Monitor (HI9815045)Designed for continuous monitoring of pH, TDS, and temperature, the monitor is simple to install and can be placed above the sample to be tested. pH, TDS, and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. No more switching between parame... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 hf-HI9815045   $185.16 
 Digital Moisture Meter   Luster Leaf Products, Inc.   Digital Moisture Meter 
Luster Leaf Digital Moisture Meter (LL01825)This sleek updated design offers an instant and easy to read digital format. It checks soil moisture where it counts: at root level. Monitoring a plant's soil moisture level helps prevent over and / or under watering. Batteries required and included. Manufacturer's Product Information ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LL01825   $10.49 
 Digital Soil Thermometer   Luster Leaf Products, Inc.   Digital Soil Thermometer 
Luster Leaf Digital Soil Thermometer (LL01625)Improve your seedling and transplanting results by planting at the safe and proper soil temperature. Readings in Fahrenheit. Manufacturer's Product Information MSRP each $14.45 UPC035307018250 Dimensions4 x 1.54 x 12.75... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LL01625   $12.69 
Displaying 141 to 160 (of 352 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
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