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Water Testers
2 for 1 Adwa pH and EC Testers for Hydroponics, Aquaponics and Aquariums
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Best quality pens around. Grotec is now able to offer for a limited time only both these reliable, hard-wearing, high quality pH and EC tester pens for just 35 pounds. We have been selling these pens for 10 years and we normally retail them at 35 pounds each. Take advantage of this amazing offer while stocks last as this is a genuine offer and we cannot afford to offer this price for long. |
Bluelab EC Truncheon and Eutech pH Pro.
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We are now happy to offer both of these top of the range testers together for this special price of only £120, to buy them separately they would cost an extra £20.00 |
Bluelab EC Truncheon
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An essential piece of kit for the professional grower it is easy to use durable waterproof and comes with a five year warranty. To take a reading of your water - simply place the probe head into the water for to take the reading as indicated by the flashing lights. Rinse the probe after use in fresh water and clean once a week to ensure the Truncheon remains accurate. It's great for stirring your nutrient tank too! |
Eutech pH Pro Waterproof Tester 10
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These pH pens are high quality product fully waterproof and very easy to calibrate. A must to anyone who has more than one tank. |
Eutech EC Tester
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| This is the Eutech version of the ec trunchoen and is just as reliable and waterproof. |
HortiCare Pal pH pen
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| A very popular line that is simple to use and gives a direct reading with accuracy and is easy to calibration. |
Trident Meter
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The Trident Meter is an all-in-one conductivity, pH and temperature meter. It comes with a one piece probe housing containing all 3 probes. The meter is dipped into the solution and the readings are displayed on two screens. As the Essentials Trident Meter is portable, it can be used any time and anywhere to help you manage your crops' daily nutrient requirements. |
HortiCare EC pen
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This pen measures the electrical conductivity in the nutrient solution. It does the same as the ec trunchon but is not waterproof. |
Replacement Electrode for Eutech pH Pens
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If you think you need a new electrode bring your pen in and we will service it and then change the electrode if necessary. |
Bluelab Combo Meter
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The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. It comes with a pH probe and conductivity and temperature probe, which are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrient requirements. |
Bluelab Dosetronic
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It's in control 24 hours a day, 7 days a week, 12 months a year. The Bluelab Dosetronic will keep tight control of your vital nutrient solution levels automatically so you will have the freedom to tend to your crops daily needs. Kit comes complete with peristatic pumps. The Dosetronic has proven itself in the hydroponic market worldwide for over 20 years. It is one of the most simple, easy to use, robust and reliable controller in its class! |
Hanna Constant readout pH meter
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This pH meter differs from the others as it is left in the tank permanently to give a constant read out ideal for growers with one big tank. |
Hanna Constant readout EC meter
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| This EC meter differs from the others as it is left in the tank permanently to give a constant read out ideal for growers with one big tank. |
Hanna in-tank dual pH & EC meter
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Disposable pH test kits
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| These test kits are a cheap effective way of manualy testing your pH without a digital pH meter. However they can only be used around 10 times before you need a new one so it could work out more expensive than a digital one. |
Liquid Oxy test strips (10 strips)
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For testing the amount of liquid oxygen in the tanks. |
Batteries for pH pens
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Enviroment Testers
Digital Max/Min Thermometer & Hygrometer with external probe
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This product is a must for all grow rooms/chambers as a grower needs to know the temperature and humidity within the room as well as needing to know the maximum and minimum temperatures that have been achieved, this device allows you to do all of this. Also it includes an external probe that allows you to get the temperature from another location (inside a propagator or at plant level for example). Measures in both Farenheight and Celcius.
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Budget Digital Max/Min Thermometer/Hygrometer
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This budget unit will record the temperature and humidity in your rooms and give you accurate readings. Unlike our other thermometer it does not have an external probe. |
Infra-Red Thermometer
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This infra-red thermometer will measure the temperature of any surface you point it at. It is easy to use. Simply aim, pull the trigger and display the temperature of the surface being measured, in addition the LCD will display the maximum temperature. |
Digital Max/Min Thermometer
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This small compact unit will measure the temperature in your grow area and provide maximum and minimum temperatures. Max temperature 70C Min temp -50C |
Max & minimum thermometer
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Essential bit of kit for your grow room enables you to monitor the maximum and minimum temperature and find any potential problems fast. |
Light Meter
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| The correct level of light is a necessity for plant growth. Sufficient light is needed for photosynthesis to take place so plants can flower or bare fruit. Commercially, it is important to regularly check artificial lighting levels to ensure healthy plant growth. The lack of adequate light is the most common cause for poor plant growth. As artificial lighting will degrade in intensity with time, it is essential to measure at regular intervals. |
Hygrometer
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| Used to gauge the humidity of the room. |
Thermometer
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| A low cost bit of equipment. We would say its worth going the extra distance and getting a mini/maxi so you can tell how low the temperature drops at night. |
Wall/Room Thermometer
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| These wall mounted thermometers are ideal for your room. They have a range of -30 to +50 degrees centigrade, and have a accuracy of plus or minus 1 degree |
Wall/Bath Thermometer
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| They can be hung on the wall or floated in your tank an excellent product which has many applications. |
CO2 analysis kit
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Includes five co2 tests, instructions, and a large syringe. |
Refractometer
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Measure, monitor and control the percentage of dissolved sucrose to water in liquids and fruit. If you grow your own fruit, this Brix refractometer will give you the information that you need to ensure your end products' quality – all the way through the process:
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Nutrient Management
EC Calibration Fluid for EC,CF,PPM meters
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| It is necessary for the calibration of EC pens. EC pens should calibrated regularly. Alway discard fluid after use. |
Buffer 4 PH calibration fluid
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| This pH solution is available in buffer 4 or 7. Necessary for the calibration of pH pens. pH pens should calibrated regularly. Alway discard fluid after use. |
Buffer 7 PH calibration fluid
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| This pH solution is available in buffer 4 or 7. Necessary for the calibration of pH pens. PH pens should calibrated regularly. Alway discard fluid after use. |
pH Up ph adjust for Hydroponics,Aquaponics or aquariums
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| For raising the pH of hydroponic nutrient solutions. |
pH Down ph adjust for hydroponics,aquaponis or aquariums
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| For reducing the pH of hydroponic nutrient solutions. |
Canna pH Down
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To reduce the pH value of the nutrient solution. There is down for use during the vegetative period and also a down for use during the blooming period. |
Canna pH Plus 1L
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| You do not have to be taken into account the phase that the plant has reached when raising the pH. |
Nutrient management set
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All you need to ensure your testers are calibrated EC Calibration Fluid for EC,CF,PPM meters Buffer 4 PH calibration fluid Buffer 7 PH calibration fluid pH Up ph adjust for Hydroponics,Aquaponics or aquariums pH Down ph adjust for hydroponics,aquaponis or aquariums Pipette 3 for
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