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Active Air     Portable Air Conditioner, 12,000 BTU
hf-ACAN12
Active Air Portable Air Conditioner, 12,000 BTU
$414.76
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Did you mean: indicators ph indicator pH Test Indicator 8 oz pH Test Indicator - Try Advanced Search.
Displaying 1 to 20 (of 194 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 pH CONTROL KIT (12/CASE)   General Hydroponics   pH CONTROL KIT (12/CASE) 
General Hydroponics™ pH Control Kit PH CONTROL KIT (12/CASE) Contains: 8 oz. pH UP, 8 oz. pH DOWN, 1 oz. indicator & vial Manufacturer's Product Information 2007 MSRP Each $15.95 Case Weight19.35 LB Case Dimensions17.25 x 10.5 x 7.5 IN Case Quantity12 NOTE: CANNOT SHI... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 722080   $10.95 
 Heat Mat Thermostat (6/cs)   HydroFarm   Heat Mat Thermostat (6/cs) 
Heat Mat Thermostat (6/cs) (eco-5948)Digital Temperature Controller for Heat Mat Heat Mats Thermostat NEW AND IMPROVED - Our new heat mat thermostat is digital for greater accuracy. Digital temperature controller for heat mats Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments Illuminated indicator light; 3-p... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-5948   $32.65 
 INTERMATIC® DT620 2 OUTLET DIGITAL TIMER   Intermatic   INTERMATIC® DT620 2 OUTLET DIGITAL TIMER 
INTERMATIC® DT620 2 OUTLET DIGITAL TIMER (734046)Intermatic Multi-Purpose Outlet Digital Timer Turns lights and appliances on and off automatically. Auto adjusts to sunrise/sunset time for dusk/dawn setting. Automatic Daylight Saving Time option. Variable ON/OFF setting option for added security. Control lamps, appliances, electronics, heaters, air conditioners. Up to 28 ON/O... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 734046   $27.73 
 CO2 MONITOR/HYDRO INNOVATIONS   Hydro Innovations   CO2 MONITOR/HYDRO INNOVATIONS 
Hydrogen CO2 MonitorCalibrated and maintenance free, the HydroGen CO2 Monitor utilizes top quality SenseAir® brand CO2 detection technology. This monitor will work with any CO2 generator or bottle regulator. It is simply all you need to regulate CO2 in your garden. Programmed to turn on at 1300 ppm and off at 1500 ppm. Easy to read indicator lights show CO2 levels. Installs ea... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 703746   $272.13 
 pHep®4 pH Tester (HI98127).   Hanna Instruments   pHep®4 pH Tester (HI98127). 
pHep®4 pH Testers Hanna pH hand-held meter that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings.Hanna ID: HI98127Dual Level Display Showing pH & Temp.Rugged, Floating Waterproof CasingReplaceable pH Electrode Featuring an Extendable JunctionThe waterproof pHep® 4 pH tester has a dual-level LCD tha... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY174   $96.02 
 BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE   Bluelab   BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE 
Blue Lab Combo Meter COMBO METER/BLUELAB Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display for easy r... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716441   $214.00 
 PARsource     Commercial DE Enclosed Lighting System with USB Interface, 208-240V      PARsource Commercial DE Enclosed Lighting System with USB Interface, 208-240V 
Phantom Commercial DE Enclosed Lighting System with USB Interface (208-240V)    The Commercial DE Enclosed Lighting System features state-of-the-art double-ended technology that uniformly delivers optimum PAR value over a broad footprint.   At the heart of this system is the new and improved PHB4015 Phantom Commercial DE Ballast with USB Interface. Its USB interf... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-PHDEKTS1   $397.36 
 REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS   Bluelab   REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS 
Blue Lab Combo Meter PH REPLACEMENT ELECTRODE BLUE Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716445   $48.64 
 Digital Temperature Controller for Heat Mat   HydroFarm   Digital Temperature Controller for Heat Mat 
Hydrofarm Digital Temperature Controller for Heat Mat (MTPRTC)Our heat mat thermostat is digital for greater accuracy. Features Water resistant stainless steel temperature probe Digital temperature controller for heat mats Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments LED mode indicator lights; 3-prong ground... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MTPRTC   $30.89 
 Phantom II 1000W Digital Ballast, 120/240V Dimmable   HydroFarm   Phantom II 1000W Digital Ballast, 120/240V Dimmable 
The Phantom II Digital Ballast takes the reliability and engineering superiority of the original Phantom ballast and adds industry leading Smart Alert Technology, setting a new standard for excellence and functionality. The Phantom II is TOTALLY silent, energy efficient, reliable, and lightweight. Smart Alert Technology utilizes a 32MHz fully integrated microprocessor to keep you... Note: Lamps / Tubes are available separately. — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-PHB2010   $209.11 
 100 Gal. White XReservoir      100 Gal. White XReservoir 
100 Gal. White XReservoir (HT1XR100W)Reinforced to stand up to the forces of nature, XReservoirs construction is rigid, durable and withstands even extreme temperatures. Easy to view level indicators keep nutrient levels exactly where they should be. They are available in 5 sizes from 25 to125 gallon formats. Outside Dimensions: 39" x 62" x 14" ... — LTL Shipping Required. — Ships from DL: Livermore, California USA....more info.
 dl-HT1XR100W   $135.56 
 Digital Single Station Water Timer   Raindrip   Digital Single Station Water Timer 
Raindrip Digital Single Station Water Timer (HGR673CT) Single-station digital water timer can be programmed with up to 16 different watering schedules. Watering duration from 0 minutes to 9 hours, 59 minutes Simple to program Low-battery indicator Attaches to any standard faucet Inlet: 3/4" female hose thread swivel Outlet: 3/4" male hose thread Color: Green/Black Conten... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HGR673CT   $41.44 
 Gavita Pro Classic Series 600 SE - 240 Volt   Gavita   Gavita Pro Classic Series 600 SE - 240 Volt 
Professional 600 watt high frequency electronic ballast. Including high efficiency Miro aluminum horticultural HortiStar HR96 reflector (95% efficiency). Only suitable for use with 600 watt EL lamp (included): No acoustic resonance, up to 8% more grow light and light maintenance after 5000 hours >95%. Microprocessor controlled. Driver efficiency >95%. Sealed housing with Gore-Tex v... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 906045   $296.45 
 Bluelab pH Pen   Bluelab   Bluelab pH Pen 
Bluelab pH Pen Measures pH and temperature. Selectable units for ˚C & ˚F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensat... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716480   $78.17 
 pH Control Kit   General Hydroponics   pH Control Kit 
pH Control Kit (eco-5518)pH Control Kit Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liq... — Ships from Seattle, Washington USA....more info.
 eco-5518   $10.65 
 HM WATERPROOF EC/TDS/TEMP COMBO METER   HM Digital   HM WATERPROOF EC/TDS/TEMP COMBO METER 
HM Digital Waterproof EC-TDS-TEMP Combo Meter COM-100 Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor. Automatic Temperature Compensation (ATC) using three temperature coefficients. Waterproof housing. Measurement Range: 0-9990 µS; 0-8... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716160   $53.21 
 Grow Flow Ebb and Gro Controller   HydroFarm   Grow Flow Ebb and Gro Controller 
Grow Flow Ebb and Gro Controller Unit /2 pumps 7 G Active Aqua's Grow Flow is the most efficient ebb & flow system on the market. The fill drain cycles are controlled by the controller unit and set with the built-in timer. This system can be set up in many different sizes and shapes to fit your exact growing needs. Grow Flow is the only unit on the market with fail-safe over... — Ships separately from Seattle, Washington USA....more info.
 eco-4777   $207.95 
 Grow Flow Ebb and Gro Controller Unit w/ 2 pumps 7 G   HydroFarm   Grow Flow Ebb and Gro Controller Unit w/ 2 pumps 7 G 
Active Aqua Grow Flow Ebb and Gro Controller Unit /2 pumps 7 G (GFO7CB)Active Aqua's Grow Flow is the most efficient ebb & flow system on the market. The fill drain cycles are controlled by the controller unit and set with the built-in timer. This system can be set up in many different sizes and shapes to fit your exact growing needs. Grow Flow is the only unit on the market with... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GFO7CB   $195.16 
 Active Aqua Premium White Flood Table, 2' x 2' (No USPS)      Active Aqua Premium White Flood Table, 2' x 2' (No USPS) 
Active Aqua's new premium white trays offer unparalleled strength and performance. These heavy duty full ID flood trays are thick, rigid, durable and easy to clean. The tray edge has been arch formed, which reinforces the tray and minimizes flexing. They feature a square drainage pattern and smooth channels, which simplifies cleaning. Active Aqua's premium white trays are manufactu... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-AAHR22W   $38.31 
 Duralastic 4ft x 8ft ID White Tray      Duralastic 4ft x 8ft ID White Tray 
Duralastics Trays - White Manufactured in the USA using 25% solar energy. Easy clean drainage grid allows the grower to clean their trays without the hassle of scrubbing sharp corners to remove build up. Built in water level indicators to easily identify the fill level in the trays. 80% recycled ABS with virgin ABS cap on each side Outside Dimensions:2x4 Tr... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 707930   $143.53 
Displaying 1 to 20 (of 194 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  [Next >>] 
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8' POWER CORD W/ MOGUL BASE SOCKET (FOR SELF-BALLASTED CFL/LED LAMPS)
GREAT QUALITY. BEST PRICE! Great fixture! Got it because it ..
5 of 5 Stars!
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