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Hanna Instruments
31 productsShop Hanna Instruments products at GrowTime Garden Supply.
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Hanna HI7007-050 500ml Groline pH 7.0 Calibration Solution
HI7007-050 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly...
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Hannah Hi50036P Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets)
HI50036P is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH ...
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Hanna HI5036-012 Quick Calibration Solution pH/EC 120ml
HI5036-012 is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration ...
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Hanna HI98118 GroLine Waterproof pH Tester
The HI98118 GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximize optimum growth. The general r...
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Hanna HI77400P pH 4.01 and 7.01 Calibration Buffer Sachets (10 x 20mL, 5 Each)
HI77400P is a set of premium quality pH 4.01 and 7.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring fresh...
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Hanna HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
The HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-button meter operation and advanced features, inc...
Hanna HI7004-012 GroLine pH 4.01 Calibration Buffer 120ml
HI7004-012 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly...
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Hanna HI1285-7 pH/EC/TDS Multiparameter Probe for use with HI9814
The HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth ju...
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Hanna HI70300-050 GroLine Electrode Storage Solution (500 mL)
HI70300-050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode...
Hanna HI98115 GroLine pH tester
The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including tur...
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Hanna HI70300G GroLine Storage Solution Sachets, 20 mL (25 pcs.)
HI70300G is a high quality storage solution designed with hydroponics, aquaponics, and greenhouses in mind.
Single-use sachets are highly portable, with a small footprint and a lightweight de...
Hanna HI7061-012 GroLine General Purpose Cleaning Solution 120ml
HI7061-012 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as th...
Hanna HI70061G GroLine General Purpose Cleaning Solution Sachets, 20 mL
HI70061G is a high quality cleaning solution designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design....
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Hanna HI98330 GroLine Nutrient Tester
The HI98330 nutrient tester is designed to measure the conductivity of the nutrient solutions used in agriculture and hydroponic applications.
Features at-a-glance:
IP67 waterproof and floating de...
Hanna HI98331 Soil Test™ Direct Soil Conductivity Tester
The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration,...
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Hanna Instruments HI98318 GroLine Waterproof EC/TDS (ppm) Tester
The GroLine Waterproof EC/TDS Tester is made specifically for hydroponics, provides a simple, inexpensive solution to measure fertilizer concentration in a nutrient solution.
The HI98318 EC/TDS te...
Hanna HI7010-012 GroLine pH 10.01 Calibration Buffer 120ml
HI7010-012 is a high quality pH 10.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clear...
Hanna HI700663 Cleaning Solution for Soil Deposits (25 x 20 mL Sachets)
The HI700663P is a highly effective cleaning solution that is specially formulated for pH electrodes used in agricultural applications. Electrodes can become dirty from use and will produce inaccur...
Hanna Hi70004G GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.)
HI70004G is a high quality pH 4.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweigh...
Hanna Hi70007G GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.)
HI70007G is a high quality pH 7.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweigh...
Hanna Hi70031G GroLine 1413 uS/cm Conductivity Standard Sachets, 20 mL (25 pcs.)
HI70031G is a high quality 1413 uS/cm conductivity standard designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a ligh...
Hanna HI70039G GroLine 5000 uS/cm Conductivity Standard Sachets, 20 mL (25 pcs.)
Unlock the full potential of your water conductivity measurements with Hanna HI70039G GroLine 5000 uS/cm Conductivity Standard Sachets! These sachets contain the perfect amount of solution for accu...
Hanna HI1285-8 GroLine pH/EC/TDS Multiparameter Probe
Pre-Amplified pH Electrode
The pH electrode circuit has a built-in amplifier that serves to reduce the effects of electrical noise on the high impedance-pH measurement. Electrical noise can come ...
Hanna HI981030 pH Tester for Soil
Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing. The built-i...
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Hanna HI7031-023 GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle)
HI7031-023 is a GroLine 1,413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity...
Hanna Hi73127 Spare pH Sensor for Hanna Testers
The spare pH sensor is designed as an easy-fit cartridge that locks into place, featuring two o-rings to maintain a watertight seal. With no pins to line up or that can break, this sensor is ...
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Hanna HI9814 GroLine Waterproof Portable pH/EC/TDS Meter
One of the best meters for hydroponics, our GroLine Waterproof Portable pH/EC/TDS Meter (HI9814) is a must-have for growers. Easily manage and monitor your growing nutrients with this customer favo...
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Hanna HI70300-023 GroLine Electrode Storage Solution (230 mL)
HI70300-023 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode...
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Hanna HI710030 Green Shockproof Rubber Boot, New
HI710030 is an green rubber boot that fits over selected portable meters including HI9814 pH/EC/TDS, HI991000 family of meters, and selected thermistor based thermometers. The silicone rubber boot ...
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Hanna Instruments HI7007-12 GroLine pH 7.01 Calibration Buffer 120ml
HI7007-012 is a high quality pH 7.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class ...
Hanna HI3895 NPK Soil Chemical Test Kit (10 tests each)
The HI3895 is a chemical test kit that uses colorimetry and turbidimetry to measure four parameters common in soil testing: nitrogen, phosphorus, potassium, and pH. The HI3895 is supplied with all...
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