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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 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 
 Bluelab Connect Stick   Bluelab   Bluelab Connect Stick 
Get connected - data log and view nutrient measurements from your crop wirelessly. The Bluelab Connect Stick receives wireless data from Bluelab Connect Monitors or Controllers, logging the data to the cloud. One Connect Stick will receive data from multiple Bluelab Connect Devices. Simply place the Connect Stick into a USB port on your computer, download and install the free Con... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU8002   $104.22 
 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 pH Controller / Doser   Bluelab   Bluelab pH Controller / Doser 
Hands-free monitoring and dosing of solution pH levels. Features:• Automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760 L• Plant-safe green back lit LCD with adjustable brightness• Large, easy to read displays• Easy to navigate menu to program and adjust settings• Simple push button pH calibration with on screen guide• Flashing high / low alarm with... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU8004   $393.72 
 Bluelab Dosetronic Peridoser Kit (Special Order)   Bluelab   Bluelab Dosetronic Peridoser Kit (Special Order) 
The simple solution for automatic feeding systems - perfect for commercial or large scale hydroponic growers. Optimize crop performance by providing consistent and accurate management of the feed system by using the Bluelab Dosetronic® Peridoser Kit. It's the easy way to control your system 24 hours a day, 7 days a week, 12 months a year, so you can focus on tending to your plants... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLUDOPKITNA   $2,395.40 
 Hydroponic Essentials pH Test Kit   HydroFarm   Hydroponic Essentials pH Test Kit 
Hydroponic Essentials Hydroponic Essentials pH Test Kit (ESPHTEST)(Wide Spectrum) Measures 3-10 pH. The Hydroponic Essentials pH test kit is good for 150 tests. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3-10 measuring in 0.1 increments. Manufacturer's Produc... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ESPHTEST   $4.15 
 pH Test Kit, 1 oz   General Hydroponics   pH Test Kit, 1 oz 
General Hydroponics pH Test Kit, 1 oz (GH1515)pH test kit Contains pH test fluid and test strips Manufacturer's Product Information MSRP each $7.54 UPC793094015165 Dimensions1.7 x 6 x 1.2 Case Weight3 Case Quantity24 ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH1515   $5.23 
 pH Test Indicator 8 oz   General Hydroponics   pH Test Indicator 8 oz 
General Hydroponics pH Test Indicator 8 oz (GH1516)Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution. Manufacturer's Product Information MSRP each $10.76 ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH1516   $7.48 
 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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HGLABTEST   $30.07 
 EC/TDS Probe for HI981409 & HI981410   Hanna Instruments   EC/TDS Probe for HI981409 & HI981410 
Hanna Instruments EC/TDS Probe for HI981409 & HI981410 (HI1220)EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4") and can be used to mix the fertilizer solution. The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed. Calibration w... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1220   $48.60 
 Replacement probe for HI9026   Hanna Instruments   Replacement probe for HI9026 
Hanna Instruments Replacement probe for HI9026 (HI1230B)This replacement probe supports the combination pH electrode for field applications. The HI 9026 is an advanced pH/ORP meter specifically designed to provide affordable and very precise results under harsh industrial conditions. The meter features a backlit display for clear readings in the darkest environments. When calibra... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1230B   $74.31 
 pH Replacement Electrode for HI98103, HI9910 (Special Order)   Hanna Instruments   pH Replacement Electrode for HI98103, HI9910 (Special Order) 
Hanna Instruments pH Replacement Electrode for HI98103, HI9910 (HI1270)Spare pH electrode for HI98103 and HI9910 with cloth junction, for general purpose, field applications. Manufacturer's Product Information MSRP each $29.95 Dimensions2 x 1.9 x... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1270   $20.81 
 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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1285   $91.70 
 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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI12855   $102.12 
 pH Electrode with 2 m (6.6') cable for HI981401N, HI981404N, & HI9815047   Hanna Instruments   pH Electrode with 2 m (6.6') cable for HI981401N, HI981404N, & HI9815047 
Hanna Instruments pH Electrode with 2 m (6.6') cable for HI981401N, HI981404N, & HI9815047 (HI1286)pH electrode with 2 m (6.6') cable for HI981401N, HI981404N, & HI9815047. Why keep a spare electrode on hand? Always have an extra in case of breakage, contamination, or simply to keep electrodes fresh and new. Manufacturer's Product Infor... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1286   $47.93 
 pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order)   Hanna Instruments   pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order) 
Hanna Instruments pH Combo Electrode Glass Body - Refillable Temp. Sensor (HI1292D)pH Combo Electrode Glass Body - Refillable Temp. Sensor Manufacturer's Product Information MSRP each $192.95 Dimensions2 x 2 x 10 Case Quantity1 ... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1292D   $134.06 
 pH Combination Electrode (SPECIAL ORDER)   Hanna Instruments   pH Combination Electrode (SPECIAL ORDER) 
Hanna Instruments pH Combination Electrode (HI1333B) (SPECIAL ORDER)pH combination electrode Ultem body double-junction, refillable, cloth junction, gel filled, 1m cable Manufacturer's Product Information MSRP each $60.95 Dimensions2.75 x 0.25 x ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1333B   $42.35 
 pH/EC Controller System   Hanna Instruments   pH/EC Controller System 
The HI 2500 Mini Controller Fertigation System is perfect for any size grower. Automatically control acid and nutrients levels. • Easy Installation• Controls pH & EC or pH & TDS• No peristaltic pumps• Industrial grade probes• Less maintenance stays in calibration longer• Works with any type of hydroponic system... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI2500-1   $2,310.21 
 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130   Hanna Instruments   Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 
Hanna Instruments Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 (HI73127)Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 Manufacturer's Product Information MSRP each $62.95 Dimensions4 x 1 x 14 ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI73127   $50.71 
 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 
 GroChek EC Electrode   Hanna Instruments   GroChek EC Electrode 
Hanna Instruments GroChek EC Electrode (HI7632)Hanna replacement EC electrode for pocket testers. Manufacturer's Product Information MSRP each $57.95 Dimensions3 x 1.8 x 6.5 Case Quantity1 ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI7632   $40.26 
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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Specials more
Clonex Packets, 18 packed per box
Clonex Packets, 18 packed per box
$75.04
$64.80
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