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Oakton WD-35425-05 Waterproof PTTestr 35 Multiparameter pH/TDS Tester
from $ 129.00
Stock Status : In 2 Stores
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Oakton WD-35462-35 Waterproof EcoTestr EC High Conductivity Tester Pocket Meter
from $ 59.95
Stock Status : In 2 Stores
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Oakton WD-35462-50 Waterproof EcoTestr Salt Tester Pocket Meter
from $ 69.00
Stock Status : In 1 Stores
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Oakton WD-35462-15 Waterproof EcoTestr TDS High Tester Pocket Meter
from $ 59.95
Stock Status : In 2 Stores
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Oakton WD-35661-08 Replacement Electrode for Waterproof Microprocessor TDS Tester and EC Tester
from $ 59.50
Stock Status : In 1 Stores
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EC/TDS Probe (C65 & T75)
from $ 46.80
Stock Status : In 5 Stores
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Soil Ph Meter/ Moisture Tester
from $ 12.39
Simple to operate, hand-held size Determining proper soil pH levels is the first step to healthy lawns and gardens This Tester gives pH readings between 3.5 & 8, soil moisture from 0-100% Includes leatherette case with belt loop and full instructions Requires no chemicals, distilled water or outside electric power source, Manufacturer: Rittenhouse
Stock Status : In 2 Stores
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Oakton EcoTestr pH1
from $ 56.90
Pocket-sized meter . Dust proof housing. Push-button calibration with auto buffer recognition. Includes transparent electrode cover / sample cup. Push-button calibration, HOLD function, and error messages. Range: 0.0 to 14.0 pH .
Stock Status : In 3 Stores
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Oakton EcoTestr pH2
from $ 63.67
Automatic temperature compensation. Dust proof housing that floats. Push-button calibration with auto buffer recognition. Includes transparent electrode cover/sample cup. Range: 0.0 to 14.0 pH. Low-cost pocket sized meter. Push-button calibration, HOLD function, and error messages. Power: four 1.5 Volt button cell batteries (included).
Stock Status : In 5 Stores
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Aquascape KoiMedic Salt Meter - Electronic Pond Water Salt Level Tester for Water Garden Pond Use (Aquascape Designs)
from $ 92.00
Koi Medic Salinity Meter Pen Quickly and accurately measure salt concentration in ponds. Salt deters algae growth, detoxifies nitrite and eliminates fish parasites and bacterial infections. Extremely accurate and easy to use; simply turn it on and dip it in the pond. Within two seconds, the LCD displays the salt concentration percentages. Successful pond keeping revolves around good water keeping. Keeping a pond clear and beautiful isn't hard if you understand how an ecosystem works. First, anyone who claims all you need are plants, a filter, or a chemical to keep a pond clean doesn't understand how pond ecology functions (or they are just trying to sell you something). To keep water clear, you need a mechanical and a biological filter, plants, fish, and bacteria to work in unison to create a natural working ecosystem. You'll be ensured a crystal clear, low maintenance pond if you use the right ingredients. All of Aquascape's water treatment products are 100% natural.
Stock Status : In 1 Stores
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Oakton EcoTestr pH 2 Waterproof pH Tester, -1.0 to 15.0 pH Range
USD 61.75
The Oakton 35423-10 EcoTestr pH 2 is a handheld, waterproof, and dustproof pocket meter that measures pH and floats, if dropped in liquid. A portable pocket meter is commonly used to measure the pH of substance in hydroponics, education, water treatment, and swimming pools. This meter has ATC for accurate readings in fluctuating temperatures, and push-button calibration capabilities up to three points for a wide range of results. It features a transparent, protective cap to reduce contamination and protect the sensor. The cap keeps the sensor moist when stored upright, and can be used as a container for sensor-conditioning, or on-site calibration. The meter’s waterproof and dustproof housing has IP67-rating for protection against solid objects or liquids. The testr has a long-lasting sensor with Polyvinylidene Fluoride (PVDF) reference junction with polymer gel for long lifespan. The meter has a large, upright, single-line LCD screen for ease of viewing, a hold function which freezes readings for recording, and an auto shut-off to extend the life of the batteries. It has a click-lock battery cover for battery access to replace batteries without tools. The 35423-10 pocket meter comes with an integral sensor, has ATC from 0 to 50 degrees C (32 to 122 degrees F), and works in an operating temperature of 0 to 50 degrees C (32 to 122 degrees F). It has three-point automatic calibration at three US buffer values of US 4.0, 7.0 or 10.0. pH range is 0.0 to 14.0, resolution 0.1, accuracy + or - 0.1. Its dimensions are 1.25 (l) x 1.5 (w) x 6.5 (h) inches (3.2 x 3.8 x 16.8 cm) and it weighs 3.25 ounces. The testr works with four 1.5-V alkaline batteries (not included) for up to 250 hours of continuous use (Eveready A76 or LR44 replacements). pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists in aquaculture, agriculture, hydroponics, wine-making, and water-testing, and for scientific applications. Oakton Instruments manufactures an array of scientific instruments for research, industrial, and educational uses. Since 1991, Oakton has distributed a wide variety of instruments such as meters, electrodes, and transmitters. Oakton is based in Vernon Hills, IL, and has facilities in Europe, Asia, and China. What’s in the Box? Meter 35423-10 Integral sensor
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Stock Status : in-stock
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Bluelab Ph Soil Tester Meter
USD 199.00
You want the best for your soil well here it is the best ph soil tester money can buy at a great discount...if you find it cheaper feel free to contact me I will match that price...A portable, easy to use Soil pH meter that asssits in maintaining optimum soil condition for improved plant development.Shipping Handling: ·All orders will be shipped within the same business day after payment is confirmed.You will receive a tracking number through Ebay once your order is shipped. ·All orders will
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Stock Status : in-stock
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Hanna Tester Ph Checker 1 (hi 98103) Meter
USD 39.00
Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is
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Stock Status : in-stock
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Multifunction 6-in-1 Water Tester
USD 109.95
Great for Hydroponics Gardeners or Aquarium Enthusiasts, Non-technical and Technical Personnel alike!! The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS in a wide range of applications including nutrient solution for hydroponics, living environment of aquariums, swimming pool, Spa, laboratory and the like. This easy-to-use and affordable combo tester makes it possible to measure pH, °C, CF, EC, °F, and TDS on the spot, accurately and inexpensively throughout a variety of industries. With this sensitive, efficient, accurate and portable meter, there will be no more trouble switching meters to measure the pH, °C or °F and then the EC, CF or TDS of a solution!! Features: Brand New in Box Ready to Be Operated Upon Arrival Six-in-one Meter: EC, CF, °C, °F, TDS, pH Easy Calibration of pH and TDS with just a Mini-screwdriver Automatic Temperature Compensation (without this, pH reading will differ as the temperature varies) Large, Triple Level Display Caps on Both Sides for Storage and Protection of Electrodes Suction Cups to Attach the Electrodes onto the Inwall of the Vessel, Tank or Reservoir etc. CE Certificated to Offer Safer and Precise Measurement Package Content: 1 x Six-in-one Meter 2 x Probes 1 x AC-DC Adaptor 2 x Suction Cups 1 x Mini Screwdriver
Notes : Fantastic prices with ease & comfort of Amazon.com!
Stock Status : in-stock
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Multifunction 6-in-1 Water Tester
USD 109.95
Great for Hydroponics Gardeners or Aquarium Enthusiasts, Non-technical and Technical Personnel alike!! The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS in a wide range of applications including nutrient solution for hydroponics, living environment of aquariums, swimming pool, Spa, laboratory and the like. This easy-to-use and affordable combo tester makes it possible to measure pH, °C, CF, EC, °F, and TDS on the spot, accurately and inexpensively throughout a variety of industries. With this sensitive, efficient, accurate and portable meter, there will be no more trouble switching meters to measure the pH, °C or °F and then the EC, CF or TDS of a solution!! Features: Brand New in Box Ready to Be Operated Upon Arrival Six-in-one Meter: EC, CF, °C, °F, TDS, pH Easy Calibration of pH and TDS with just a Mini-screwdriver Automatic Temperature Compensation (without this, pH reading will differ as the temperature varies) Large, Triple Level Display Caps on Both Sides for Storage and Protection of Electrodes Suction Cups to Attach the Electrodes onto the Inwall of the Vessel, Tank or Reservoir etc. CE Certificated to Offer Safer and Precise Measurement Specification: Display 4 digits, LCD Range PH: 0.00~14.00PH TDS: 10~19990ppm °C : -50 ~ 70°C °F: -58 ~ 158°F EC: 0.00 ~ 19.99EC CF: 0.0 ~ 199CF Resolution PH: 0.01PH TDS: 10 ppm °C :0.1°C °F: 0.2°F EC: 0.01EC CF: 0.1CF Accuracy ± 0.1PH °C: ± 1°C EC/CF/TDS: ± 2% F.S Power Supply DC 6V Operating Temp. 0°C ~ 50°C (32°F ~ 122°F) Automatic Temp. Compensation 0°C ~ 50°C (32°F ~ 122°F) Dimension 6" x 3 3/8" x 7/8" (155 x 86 x 22mm) Weight approx. 223g Cable Length (connecting the probe) 58" Package Content: 1 x Six-in-one Meter 2 x Probes 1 x AC-DC Adaptor 2 x Suction Cups 1 x Mini Screwdriver
Notes : Fantastic prices with ease & comfort of Amazon.com!
Stock Status : in-stock
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Professional Tds Ec Temperature Meter Com100 Hm Digital Water Tester Hydroponic
USD 59.95
BRAND NEW COM-100: Waterproof EC / TDS / Temp Combo Meter Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442 TM , NaCl), each with its own non-linear conversion factor. Automatic Temperature Compensation (ATC) using three temperature coefficients Waterproof housing (IP-67 rating) Measurement Range: 0-9990 S; 0-8560 ppm (auto-ranging). Digital Calibration (push button) Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory Calibrated: The COM-100 meter is calibrated with a 1413 S solution. The meter can be recalibrated with digital calibration using the push buttons, rather than
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Stock Status : in-stock
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Prestige Hydroponic Ppm Tester Meter
USD 69.95
Categories Brand New Prestige PPM Tester Meter Waterproof, low power consumption and automatic switch-off feature after 10 minutes of inactivity to save battery power. - Measuring Range: 0-1999ppm/1ppm - Accuracy: ± 2% full scale - Operating Temperature: 5-50°C (ATC) - Power Supply: DC4x1.5V INCLUDES:1 Carry case 1 Prestige PPM Meter 1 Screwdriver for calibration ITEMS ARE BRAND NEW 1x397200
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Stock Status : in-stock
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Digital Ph Meter Tester Long Replaceable Electrode Lcd Display Portable
USD 25.13
Digital pH Meter Tester Long Replaceable Electrode This Digital pH Meter is The Most Popular pH Meter for Use in Schools, Pools, Salt/Freshwater Aquariums, Gardening and all other water applicable media. At the cost of just a few rolls of litmus paper, you can have the industry's best pH tester. Testing pH values has never been easier! Features: Large and clear LCD Display Long Replaceable Electrode Compact and portable design Data Hold Function Applications: Measurement Range:0.0 to 14.0 pH Resolution: 0.01 pH Excellent Accuracy: +/- 0.2 pH Battery Type:2X1.5V AA battery (included) Environment:32 to 122°F (0 to 50°C); RH 95% Dimensions:19.5*6.5*4.5(CM) 1x pH Meter Tester
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Stock Status : in-stock
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Digital Ph Meter Tester Lcd Monitor +2 Buffer Solutions
USD 29.98
Why Usponics? We`ve been in business since the year 1998. Over the last decade, we`ve been successful in Australia, accumulating thousands of loyal and satisfied customers and positive feedbacks! Now we come to United States Growers, stocking here, selling here, and shipping from here! You`re paypal protected for the entire sum of your purchase because we are paypal preferred seller.We`re experienced and we`re always here for you! If you ever need help with anything, feel free to email us and w
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Stock Status : in-stock
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Hanna Tester Ph Temp Waterproof Phep 5 (hi 98128) Meter
USD 103.00
When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot, accurately and inexpensively throughout a variety of industries.
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Stock Status : in-stock
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Hanna Tester Ph/temp Waterproof Phep 4 (hi 98127) Meter
USD 89.00
Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is
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Stock Status : in-stock
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Hm Digital Com-100 Tds/ec/t Meter/tester Conductivity
USD 57.25
***All products sold are brand new items in original packaging.*** HM Digital COM-100 TDS/EC/T Meter/Tester Conductivity The COM-100 Waterproof EC/TDS/Temp Combo Meter by HM Digital is ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs scientific testing, pools spas, ecology testing, boilers cooling towers, water treatment and more! This Combo Meter measures electrical conductivity (EC), total dissolved s
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Stock Status : in-stock
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Hm Digital Ap-1 Aquapro Tds/ºc/ºf Ppm Meter Tester
USD 25.50
BRAND NEW HM DIGITAL TDS METER /EC METER AP-1: AquaPro Water Quality Tester (TDS) HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer. FEATURES Measures total dissolved solids (TDS) and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 0-5000 ppm Dig
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Stock Status : in-stock
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BestDealUSA 3-in-1 Digital pH Meter Tester Thermometer Hygrometer
USD 36.95
Calibration Solution (pH 4.003 & pH 6.864) are not included PH-010 is a high accuracy foldable pH tester for you to test pH level and Temperature of liquids in various industries and applications such as Hydroponics, Aquariums, Swimming Pools, Spas and Food processing etc. PH-010 can also measure Relative Humidity level in the environment. Since pH value varies with temperature, this pH meter is equipped with Automatic Temperature Compensation (ATC), so you don't need to worry about the effect of temperature change on pH level. pH value will be automatically adjusted in temperature between 0 - 50 °C (32 - 122 °F). Specifications Measuring range : pH : 0.00 ~ 14.00 pH Temperature : -5 ~ 50 °C Relative Humidity : 10% ~ 99% RH Resolution : pH : 0.01 pH Temperature : 0.1 °C Relative Humidity : 1% RH Accuracy : pH : ±0.1 pH Temperature : ±1 °C Relative Humidity : ±5% RH Automatic Temperature Compensation : 0 ~ 50 °C (32 ~ 122 °F) Operating Temperature : 0 ~ 50 °C (32 ~ 122 °F) Power: 2 x 1.5 V (AG-13) Button Cell Batteries (included) Dimensions : approx. 19.5*9.5*4.7cm Weight : approx. 9.45oz 1 x Foldable 3 in 1 pH Tester 1 x Mini Screwdriver
Notes : Fantastic prices with ease & comfort of Amazon.com!
Stock Status : in-stock
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Oakton High Tds Meter Calibration Ec Hydroponics Tester
USD 85.83
Oakton TDS High Meter 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, built-in belt/pocket clip keeps the tester accessible when not in use. Stainless steel electrodes are both rugged and chemical resistant, for use in a wide variety of applications. Single-point electronic calibration means you are ready to measure quickly and easily. Additional features include auto-shutoff to prolong battery life, hold function to lock in a measured value, and self-diagnostic error messages. Testers also have a self-adjusting TDS factor from 0.40 to 1.0.
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Stock Status : in-stock
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