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 | Technaflora pH Down -- 4 LTechnafloras pH Down is used to reduce the alkalinity(pH) of your plants environment. As you know, your plants will do best when they are in a medium with the proper pH range. Easy to use, this nitric acid solution will solve your problem. Just a note,...Only $20.67 |
 | BlueLab pH PenBluelab pH Pen Tester Meter The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets you give the best care possible to your plants. The quality of care is in your...Only $73.12 |
 | Bluelab PPM Conductivity PenBluelab PPM (Parts Per Million) Pen Testing Meter for Hydroponics and Solution Measuring Bluelab PPM Pen is the latest innovation for hand held conductivity meters and the ultimate handy solution for measuring conductivity. Hydroponic growing lets you...Only $66.23 |
 | Bluelab Guardian Monitor ConnectThe Bluelab® Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there....Only $303.98 |
 | Bluelab Connect StickThe Bluelab Guardian Monitor Connect or the Bluelab pH Controller Connect can connect wirelessly to a computer at the grow site via the Bluelab Connect Stick, which enables the data logging of pH, Conductivity and Temperature to the FREE Bluelab Connect...Only $109.68 |
 | Bluelab Connect Range ExtenderA range extender will allow you to increase the distance between your device and your connect stick by up to an additional 66 feet/20 meters indoors, or 164 feet/50 meters outdoors. Simply plug into a power supply to use when there is a longer distance...Only $155.80 |
 | Grower's Edge Digital Thermometer/Hygrometer w/ RemoteThis digital thermometer/hygrometer comes with one remote sensor and can be read up to 50' from the sensor. This unit is expandable and can accept up to three sensors. Temperature/Hygrometer Display: Large screen digital readout. Wireless sensor transmits...Only $29.06 |
 | Grower's Edge Digital Thermometer/Hygrometer - Remote Sensor Only**This unit is just the remote sensor for the Ecoplus Digital Thermometer & Hygrometer base unit (716555). Large screen digital readout. Wireless sensor transmits up to 50 feet. Expandable to accept 2 additional sensors. Waterproof casing is chemical...Only $19.92 |
 | Grower's Edge Large Display Thermometer & HygrometerMeasures indoor/outdoor temperature & indoor humidity. Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity. Switch between °C and °F. 12/24 hour mode switch. Recovery function on the Min./Max. values. Indoor temperature...Only $17.07 |