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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 81 to 100 (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 
 Dosatron Nutrient Delivery System - Mixing Chamber Kit (SPECIAL ORDER)      Dosatron Nutrient Delivery System - Mixing Chamber Kit (SPECIAL ORDER) 
A well blended solution is key to a successful dosing system. One way to get that homogenized blend is to add a mixing chamber to the Nutrient Delivery System. This kit includes the mixing chamber and all necessary plumbing connections to install into the system.... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 709010   $61.38 
 Dosatron Nutrient Delivery System - Start Kit      Dosatron Nutrient Delivery System - Start Kit 
Protect your Dosatron Nutrient Delivery System with all the necessary accessories for a successful installation. Includes incoming on/off ball valve, an in-line pre-filter with 200 mesh (80 micron) screen, a pressure regulator with gauge, a fresh water test port, a check valve and all necessary 3/4 in plumbing connections to put it all together.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 709008   $160.70 
 Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT)      Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT) 
Pressure reducing valves are devices which, when installed on water systems, decrease the pressure from incoming water lines. 3/4 in NPT female inlet and outlet, working pressure: 15-87 psi, max incoming pressure: 230 psi. Max temp: 140 °F. Chrome plated brass body with 2 in face.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 709018   $109.37 
       Dosatron replacement screw in inline pH probe (Special Order) 
Dosatron replacement screw in inline pH probe (Special Order)... Note: Calibration Buffer Solutions are available separately. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 X500-110   $153.90 
 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 ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-MISE220   $42.84 
 Dual Grochek - pH, TDS, Temp. Continuous monitoring (HI981404N)   Hanna Instruments   Dual Grochek - pH, TDS, Temp. Continuous monitoring (HI981404N) 
Dual Grochek - pH, TDS, Temp. Continuous monitoring (HI981404N) (eco-5422C)GroChek pH & TDS Combo Continuous Reading Meter Displays pH & EC Simultaneously Adjustable Setpoints Space Efficient Hanna Dual Grochek The HI 981404N is ideal for hydroponic applications where pH and TDS levels need to be continuously monitored. These wall mount monitors feature a larg... — Ships from Seattle, Washington USA....more info.
 eco-5422C   $147.83 
 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   $173.06 
 EC Dipstick.   Control Wizard   EC Dipstick. 
EC Dipstick (formerly Nutrawand) by Control Wizard Products.New Name! New Label! Same Easy to Use Meter! Now with the 4 most popular scales: EC, CF, 500:1ppm, and 700:1ppm! No matter what meters you have used in the past, the EC Dipstick can read just like it. EC Dipstick (formerly Nutrawand) by Control Wizard Products dissolved salts pen, measures conductivity in both PPM, EC and ... — Ships from Portland, Oregon USA....more info.
 CW510   $59.57 
 EC SHAKE™ NUTRIENT METER      EC SHAKE™ NUTRIENT METER 
EC Shake™ Nutrient Meter EC SHAKE METER This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to power this simple, yet sophisticated meter. With just a few easy steps you will get a quick & accurate reading of the electrical conductivity (EC) of your nutrient solution. This patented meter will completely ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716010   $53.52 
 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: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI1220   $57.57 
 EC/TDS/Temp Waterproof Hydro Tester   HM Digital   EC/TDS/Temp Waterproof Hydro Tester 
HM Digital Meters EC/TDS/Temp Waterproof Hydro Tester (HMDCOM80)   KEY FEATURES Best value in its class (under $50) Measures electrical conductivity (EC), TDS and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Large LCD display Hold button and Auto shut-off Digital Calibration (push butto... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HMDCOM80   $31.64 
 EC65 Waterproof Tester   Milwaukee Instruments   EC65 Waterproof Tester 
Milwaukee Instruments EC65 Waterproof Tester (MIC65)The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing. Immersible up to the LCD. This instrument is a low-cost and easy to use meter with a replaceable electrode. Includes 3 1.5 volt button batteries.Features Automatic Temperature Compensation IP67 waterproof casing Replaceable ele... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-MIC65   $59.58 
 Eco Tester TDS High   Oakton   Eco Tester TDS High 
Oakton Eco Tester TDS High (OK3546215)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bu... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-OK3546215   $59.58 
 Eco Tester TDS Low   Oakton   Eco Tester TDS Low 
Oakton Eco Tester TDS Low (OK3546210)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bui... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-OK3546210   $58.24 
 FH NUTRADIP CMS pH METER   FHD (Future Harvest Development)   FH NUTRADIP CMS pH METER 
Nutradip® CMS pH METER NUTRADRIP CMS PH METER (20/CASE) The Nutradipˊ CMS (constant monitoring system) pH Meter is the reliable way to measure the acidity or alkalinity in your water. It is a continuous monitoring pH meter with automatic temperature compensation.2 year limited warranty on meter. 6 month limited warranty on the probe. Ma... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716325   $89.22 
 FH NUTRADIP CMS PPM METER   FHD (Future Harvest Development)   FH NUTRADIP CMS PPM METER 
Nutradip® CMS PPM Meter NUTRADRIP CMS PPM METER (20/CASE) The Nutradip® CMS (constant monitoring system) Nutrient Meter has automatic temperature compensation and measures the TDS ppm/EC in your water.2 year limited warranty on meter. 6 month limited warranty on the probe. Manufacturer's Product Information ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716330   $66.90 
 FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE   FHD (Future Harvest Development)   FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE 
Tri-Meter Continuous Monitor (EC/pH/Temp) TRI-METER(EC/PH/TEMP) #204 15/CASE This meter gives you the ability to monitor pH level, Nutrient Levels in EC and Nutrient Temperature.This continuous monitoring system requires no batteries, just plug it in to an AC wall receptacle and the meter will remain in a calibration mode for months. The Nutradip® Tri-Meter, with automatic t... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716310   $156.18 
 Future Harvest Grow Boss - Nutrient Monitor (4/Cs)   FHD (Future Harvest Development)   Future Harvest Grow Boss - Nutrient Monitor (4/Cs) 
The Nutradip® GrowBoss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength, pH and temperature. This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle. The Growb... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716367   $220.91 
 Future Harvest Nutradip Nutrient Meter EC Dual Power AC DC   FHD (Future Harvest Development)   Future Harvest Nutradip Nutrient Meter EC 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 (not via USPS)....more info.
 716355   $83.32 
 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 (not via USPS)....more info.
 716350   $73.60 
Displaying 81 to 100 (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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Reviews more
HM Digital Waterproof pH Meter Model PH-200
Its a great meter Ive had mine for about 3 years and the onl ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate

Specials more
Growing Cup 3", pack of 100
Growing Cup 3", pack of 100
$30.02
$22.00
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