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Displaying 241 to 260 (of 303 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 
 GroChek EC Monitor   Hanna Instruments   GroChek EC Monitor  
Hanna Instruments GroChek EC Monitor (HI983302N) Waterproof Rugged Housing Large LCD Manufacturer's Product Information MSRP each $114.95 Dimensions4.52 x 1 x 7 Case Quantity1 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI983302N   $91.05 
 GroChek EC Tester   Hanna Instruments   GroChek EC Tester 
Hanna Instruments GroChek EC Tester (HI981410)This EC 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 unti... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI981410   $77.64 
 GroChek Hanna pH Indicator   Hanna Instruments   GroChek Hanna pH Indicator 
Hanna Instruments GroChek Hanna pH Indicator (HI981401N)This pH indicator has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored. Measurements are highly accurate and ca... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI981401N   $105.12 
 GroChek pH Tester   Hanna Instruments   GroChek pH Tester 
Hanna Instruments GroChek pH Tester (HI981408)This tester has been specifically designed to address the needs of growers in hydroponics, greenhouses, and nurseries. The meter has all the features necessary to check the pH of the fertilizer solution during preparation. With a sturdy body, it also floats so that it can be quickly retrieved if accidentally dropped in the tank. Frequen... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI981408   $76.30 
 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 (not via USPS)....more info.
 hf-HI991404   $186.81 
 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 (not via USPS)....more info.
 hf-HI981409   $77.64 
 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   $46.14 
 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 ph Gro'Chek Stick Tester HI 981408   Hanna Instruments   Hanna ph Gro'Chek Stick Tester HI 981408 
HI 981408 pH Gro'Chek® Stick Tester is an ideal tester for use in nutrient mixing tanks. This tester will run for 2000 hours continuously on AA batteries.... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5521G   $75.50 
 Hanna TDS Gro'Chek Stick Tester HI 981409   Hanna Instruments   Hanna TDS Gro'Chek Stick Tester HI 981409 
HI 981409 TDS Gro'Chek Stick Tester is a TDS tester ideal for mixing fertilizer. This tester will run for 2000 hours continuously on AA batteries.... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5521H   $115.95 
 HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp   HM Digital   HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp 
HydroMaster Digital testers make 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. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)• Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS fro... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HMD500   $239.94 
 HortiStck 3 in 1 Multimeter   Trans Instruments   HortiStck 3 in 1 Multimeter 
HortiStck 3 in 1 Multimeter (716023)HortiStick 3-in-1 Multimeter The HortiStick 3-in-1 brings the best of technology into one sleek meter. It combines the measurement of the three most crucial parameters needed for a successful harvest: pH, Conductivity, and Temperature. Package content: 1x Main Unit, 1x Hand Strap, 1x Replaceable Probe, 1x Operations Manual, 4x AA Size Batterie... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716023   $133.86 
 HortiStick Replacement Probe   Trans Instruments   HortiStick Replacement Probe 
HortiStick Replacement Probe (716024)HortiStick Replacement Probe ONLYFOR HortiStick 3-in-1 Multimeter About the HortiStick 3-in-1 brings the best of technology into one sleek meter. It combines the measurement of the three most crucial parameters needed for a successful harvest: pH, Conductivity, and Temperature. Package content: 1x Main Unit, 1x Hand Strap, 1x Replaceable Prob... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716024   $62.45 
 Hydro RX Water & Soil   HydroFarm   Hydro RX Water & Soil 
Hydrofarm Hydro RX Water & Soil (HGLABTEST)Tired of guessing whether your water's nutrient levels are adequate? Hydro Rx takes the guess-work out of water management. Hydrofarm Test Lab has developed a kit that lets you manage your plants' nutrients with lab-tested precision. Hydro Rx is simple: Just take a source water, hydroponic solution, or soil sample and send it back to Hydro... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HGLABTEST   $28.98 
 MA812D/2 REPLACEMENT PROBE  FOR SMS410 (1/CASE)   Milwaukee Instruments   MA812D/2 REPLACEMENT PROBE FOR SMS410 (1/CASE) 
Milwaukee TDS Monitor [model SMS410] MA812D/2 REPLACEMENT PROBE TDS monitor, range: 0-1990 ppm with accuracy of 2% full scale and with 1 point manual calibration and automatic temperature compensation. Set point range 700 to 1800 ppm, and led visual alarm active when reading is lower than set point. Supplied with 12v DC power adapter, MA812B/2 conductivity probe and 20ml. 15... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 706651   $33.48 
 MI MA73075 REPLACEMENT PROBE FOR T75 (1/CASE)   Milwaukee Instruments   MI MA73075 REPLACEMENT PROBE FOR T75 (1/CASE) 
Milwaukee Waterproof TDS Tester [model T75] (MA73075)REPLACE.PROBE/T75 Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe. Manufacturer's Product Information 2007 MSRP Each $52.95 Case Weigh... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716606   $52.62 
 MI SM401 PORTABLE TDS METER (1/CASE)   Milwaukee Instruments   MI SM401 PORTABLE TDS METER (1/CASE) 
Milwaukee Portable TDS Meter [model SM401] SM401 PORTABLE TDS METER Model SM401 TDS meter - Range: 0.0 - 1990 ppm - with automatic temperature compensation and 1 point manual calibration supplied with MA811D/1 TDS probe, 9v battery, 20ml 1382 ppm packet buffer solution and screwdriver for calibration. Manufacturer's Product Information ... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716655   $53.57 
 Milwaukee EC hand meter SM301   Milwaukee Instruments   Milwaukee EC hand meter SM301 
Milwaukee Instruments Milwaukee EC hand meter SM301 (MISM301)This smart meter is a low-cost portable meter. It may not have the unnecessary and cost-additive frills of some other meters, but you won't notice what you don't need. The Milwaukee EC hand meter includes an electrode 9V battery and calibration solution. Manufacturer's Pr... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-MISM301   $71.61 
 Milwaukee ORP Controller MC510   Milwaukee Instruments   Milwaukee ORP Controller MC510 
Milwaukee Instruments ORP Controller - MC510 Smart Professional ORP controller. User selectable Hi/Low Set Point Visual LED alarm Supplied with 12 VDC adapter 1 power plug for O3 dosing Platinum ORP electrode (BNC connector) ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716694   $149.04 
Displaying 241 to 260 (of 303 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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World Wide Garden Supply     Equipment Board for GrowLab Grow Room
This product is great for tents!! I was able to hang this in ..
5 of 5 Stars!
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Shear Perfection Precision Scissor 5 in (12/Cs)
Shear Perfection Precision Scissor 5 in (12/Cs)
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