Measurement and calibration, Page 4
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PH and EC meters + probes
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Calibration and cleaning solutions
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Water treatment
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Measuring cups
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Temperature and humidity measurement
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Lux meters
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Microscopes
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Scales and weights
Bestsellers
![Essentials Digital Max/Min thermometer with external probe](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/166542_essentials-digital-max-min-thermometer-with-external-probe.jpg?63bd6bc5
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Digital thermometer with external probe. It measures the temperature of the air and the...
![Essentials LAB pH 4 buffer 1 l, calibration solution](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/206506_essentials-lab-ph-4-buffer-1-l--calibration-solution.jpg?66237198
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Essentials LAB pH 4 buffer 1 l, calibration solution for pH meters.
![Essentials LAB pH 4 buffer 250 ml, calibration solution](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/206509_essentials-lab-ph-4-buffer-250-ml--calibration-solution.jpg?66237198
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Essentials LAB pH 4 buffer 250 ml, calibration solution for pH meters.
![GARDEN HIGHPRO MediPro digital thermometer / hygrometer](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/178374_garden-highpro-medipro-digital-thermometer-hygrometer.jpg?63bd6bc5
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Practical temperature and humidity meter. Easy operation and reliable measurement.
![Garden Highpro ProHygro digital thermo-hygro with external probe](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/178992_garden-highpro-prohygro-digital-thermo-hygro-with-external-probe.jpg?63bd6bc5
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The digital thermo-hygro meter with a probe is a reliable device for convenient...
![Garland - greenhouse thermometer](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179004_garland-greenhouse-thermometer.jpg?63bd6bc5
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Thermometer for checking the temperature of the substrate in greenhouses and...
![Garland - thermometer into the ground](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179001-1_garland-thermometer-into-the-ground.jpg?63bd6bc5
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Thermometer for checking the temperature of the substrate to create ideal growing...
![GIB Industries pH PRO Meter](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/189222-1_gib-industries-ph-pro-meter.png?63bd6bc5
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Portable measuring device pH PRO Meter. With replaceable probe with BNC connector.
![GroLab - humidity sensor](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179100-1_grolab-humidity-sensor.jpg?63bd6bc5
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The sensor for measuring the humidity of the growing medium is intended for the SoilBot...
![GroLab - temperature and humidity sensor](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179094-1_grolab-temperature-and-humidity-sensor.jpg?63bd6bc5
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The sensor for simultaneous measurement of temperature and humidity is compatible with...
![GroLab - waterproof temperature sensor](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179097-1_grolab-waterproof-temperature-sensor.jpg?63bd6bc5
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The waterproof sensor in a stainless steel housing is intended for measuring the...
![GroLab SoilBot](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179124-1_grolab-soilbot.jpg?63bd6bc5
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The versatile grow media analyzer is suitable for every type of substrate.
![Growmax Reverse osmosis unit MEGA Grow - 1000l/day](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/167262_growmax-reverse-osmosis-unit-mega-grow-1000l-day.jpg?63bd6bc5
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Carbon filter and reverse osmosis in one. It increases the effectiveness of fertilizers...
![Growmax Reverse osmosis unit POWER Grow - 500 l/day](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/168168_growmax-reverse-osmosis-unit-power-grow-500-l-day.jpg?63bd6bc5
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Carbon filter and reverse osmosis in one. It increases the effectiveness of fertilizers...
![GROWMAX WATER 3000 GREEN CARBON BLOCK FILTER](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179325-1_growmax-water-3000-green-carbon-block-filter.jpg?63bd6bc5
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Green coconut carbon block filter for reverse osmosis units.
![GrowMax Water blue tube 1/4" (6 mm) - 10 m](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/169212_growmax-water-blue-tube-1-4-quot-6-mm-10-m.jpg?63bd6bc5
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Replacement or extension tube for Eco Grow, Power Grow, Mega Grow and Maxquarium.
![GrowMax Water blue tube 3/8" - 10m](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/169215_growmax-water-blue-tube-3-8-quot-10m.jpg?63bd6bc5
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Replacement or extension hose for Garden Grow, Power Grow, Mega Grow and Maxquarium.
![GrowMax Water Deionization Replacement Filter 10"](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/166227_growmax-water-deionization-replacement-filter-10-quot.jpg?63bd6bc5
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Replacement filter for deionization and demineralization of water. The deionization...
![Growmax Water filter ECO Grow - 240l/h](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/165405_growmax-water-filter-eco-grow-240l-h.jpg?63bd6bc5
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Superior water filtration with a carbon water filter reliably removes chlorine,...
![Growmax Water filter PRO Grow - 2000l/h](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/168234_growmax-water-filter-pro-grow-2000l-h.jpg?63bd6bc5
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Superior water filtration with a carbon water filter reliably removes chlorine,...
![Growmax Water filter SUPER Grow - 800l/h](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/169029_growmax-water-filter-super-grow-800l-h.jpg?63bd6bc5
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Superior water filtration with a carbon water filter reliably removes chlorine,...
![Growmax Water Growmax, reverse osmosis unit 3000 l/day](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/196593_growmax-water-growmax--reverse-osmosis-unit-3000-l-day.jpg?63bd6bc5
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Reverse osmosis Growmax Water Growmax3000 with a high output of 3000 liters per day...
![GrowMax Water set of 2 replacement filters for Garden Grow 480 L/H](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179331_growmax-water-set-of-2-replacement-filters-for-garden-grow-480-l-h.jpg?63bd6bc5
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Set of 2 replacement filters for Garden Grow filter units with a capacity of 480 liters...
![GrowMax Water set of 2 replacement filters for Super Grow 800 L/h](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179337-1_growmax-water-set-of-2-replacement-filters-for-super-grow-800-l-h.jpg?63bd6bc5
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Set of 2 replacement filters for Super Grow filter units with an output of 800 liters...
![GrowMax Water set of 2 spare filters for Grow 2000 L/h](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179334-1_growmax-water-set-of-2-spare-filters-for-grow-2000-l-h.jpg?63bd6bc5
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Set of 2 replacement filters for Pro Grow filter units with a capacity of 2000 liters...
![GURU CO2 Tablets 150 pcs](https://cdn.myshoptet.com/usr/www.grow.cz/user/shop/detail/179391-1_guru-co2-tablets-150-pcs.jpg?63bd6bc5
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Tablets suitable for all types of substrates, including inert growing media. It...