| Sort by Popularity | Manufacturer | Product(s) | Model | Price+ | Buy Now |
| | | Thermometer.
Farmtek Thermometer. Large and easy to read.... — Ships via UPS from Portland, Oregon USA...more. | MI731 | $9.95 | |
| | | 13" Round Thermometer
13" Round ThermometerKeep an eye on your growing area's temperature with this large numbered thermometer. ... — Ships via UPS from Portland, Oregon USA...more. | MI732 | $10.95 | |
| | ECOPLUS | ECOPLUS™ LARGE DISPLAY WATERPROOF INDOOR/OUTDOOR THERMOMETER & HYGROMETER
EcoPlus® Large Display Thermometer/Hygrometer
ECOPLUS THERMOMETER & HYGROMETER
Measures indoor/outdoor temperature & indoor humidity.Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity.Switch between C and F.Clock function with alarm12/24 hour mode switchWater proof temperature probe - 10 ft cord
Manufacturer's ... ...more. | 716560 | $13.09 | |
| | HydroFarm | Hydrofarm Light Meter
Hydrofarm Light Meter (eco-4541)Hydrofarm Light Meter (Footcandles)
Hydrofarm Light Meter
Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types of energy (in the lighting spectrum) drive the photosynthesis process. Since light is the most important single factor affecting your... — Ships from Seattle, Washington USA...more. | eco-4541 | $15.09 | |
| | | Temperature/Humidity Gauge
12" Temperature/Humidity Gauge
Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment.
SKU: HGTHG ... — Ships from Seattle, Washington USA...more. | eco-2369 | $15.74 | |
| | | MINI GREENHOUSE THERMO-HYGROMETER
Mondi Mini Greenhouse Thermo-Hygrometer This revolutionary product mounts anywhere on your Mondi Mini Greenhouse
and reads the temperature and humidity inside the dome. In combination
with Mondi Easy Vents, it ensures plants get the start they need by
providing growers with the essential real-time information necessary to
produce large quantities of healthy plants.
Dis... ...more. | 726125 | $15.96 | |
| | Control Wizard | Indoor Weatherman.
Indoor Weatherman by Control Wizard Products.Minimum/Maximum Thermometer with Humidity Readings as well.... — Ships via UPS from Portland, Oregon USA...more. | CW610 | $17.48 | |
| | | High/Low Thermometer.
Farmtek High/Low Thermometer. Records the days high and low temperatures. Uses real mercury for accurate readings. The small red wand detaches and you pull the indicator back in contact with the mercury to reset. Great product.... — Ships via UPS from Portland, Oregon USA...more. | MI730 | $19.39 | |
| | | Rapitest Dial Compsot Thermometer (6/Cs)
Rapitest Dial Compost Thermometer
Easy to read stainless steel thermometer with 19" probe, specifically designed for compost.... This item is sold individually....more. | 716919 | $19.79 | |
| | | Moisture/Light Meter.
RAPITEST MOISTURE AND LIGHT METER WITH PROBE.... — Ships via UPS from Portland, Oregon USA...more. | MI212 | $22.95 | |
| | ECOPLUS | ECOPLUS® DIGITAL THERMOMETER/HYGROMETER W/ONE REMOTE SENSOR
EcoPlus® Digital Thermometer/Hygrometer w/Remote Sensor WIRELESS THERM & HYGROM W/ REMOTE
Large screen digital readout.
Wireless sensor transmits up to 50 feet.
Expandable to accept 2 additional sensors.
Waterproof casing is chemical and UV resistant.
Displays degrees in F or C.
2 AA batteries included.
Wireless Sensor:
For use with EcoPlus Digital Thermometer & Hygro... ...more. | 716555 | $24.10 | |
| | | Digital Thermometer/Hygrometer.
Digital LCD Minimum, Maximum thermometer and humidity device. Allows you to reset minimum and maximum settings. Large letters for easy reading. Comes with 1 AA battery. This is not a controller. Displays the readings only. Very nice! Almost 4 1/2 height x 4 length almost 1 inch depth (thickness) screen is 2 1/2 x 3 inches.... — Ships via UPS from Portland, Oregon USA...more. | MI419 | $24.95 | |
| | HydroFarm | Digital Light Meter
Digital Light Meter (eco-5549)Digital Light Meter (Footcandles)
Digital Light Meter
Measures grow lights or sunlightMeasures up to 5000 footcandles3 scales for precise readingsConvenient hand-held remote sensorLifetime silicon cell - includes battery, informative booklet with lighting recommendations and carrying case
Digital Light Meter helps the gardener measure grow lig... — Ships from Seattle, Washington USA...more. | eco-5549 | $29.55 | |
| | P3 International | LUXPRO® PROGRAMMABLE DIGITAL THERMOSTAT
LuxPro PSP300 Programmable Digital Thermostat
Easy to program.
Separate programs for heating and cooling.
Temporary and constant temperature override.
Three year warranty.
Plugs into normal 120 volt 15 amp electrical outlet.
5-minute short cycle protection.
... ...more. | 734130 | $45.99 | |
| | Trans Instruments | Light Meter - HortiCare LITEcheck
Light Meter - HortiCare LITEcheck (716022)Light Meter - HortiCare LITEcheck
Plants have an optimal intensity of light. The process of photosynthesis is maximized and plant growth is greatest at this optimal intensity. If the level of light is less, growth is reduced. In a typical plant, light level of 400 foot Candle is just enough for the rate of photosynthesis to equal the rate o... ...more. | 716022 | $48.32 | |
| | | EL500 - Cooling Thermostat.
COOLING THERMOSTAT WITH 120 VOLT PIGGYBACK POWER CORDThis thermostat has a gas filled coil for great reliability. It has a plus or minus 2 degrees of accuracy. It turns fans ON when the temperature has reached 4 degrees above set point and turns fans OFF at 3 degrees below set point. Simply plug your fan into the thermostat's cord, set the dial and your done. This thermostat is not... — Ships via UPS from Portland, Oregon USA...more. | EL500 | $57.95 | |
Meters, Timers & Instruments 
