Test Meters & Controllers

Digital Aid Professional TDS, EC & Temperature Meter. 3 in 1. Professional Quality TDS Meter:0-9990ppm. Accurate and Reliable Water Test Meter. Ide...

Professional quality combination TDS Meter, TDS EC Meter and Temperature Meter The TDS EC Meter is a professional level water test meter that fits in your pocket! Ideal for all water quality testing..

Digital pH Meter 6 Set of pH buffer powder + Bonus Alkaline Food Chart PDF, pH Pen Tests Water, Aquarium, Pool, Hydroponics, Auto Calibration Butto...

Tired of dealing with messy paper strips and chemicals to test your pH? If you have a pool, aquarium, or spa, pH testing is a way of life for you. But hassling with messy test strips and chemical solu..

Etekcity Indoor/Outdoor Soil Moisture Sensor Meter, Plant Care Hygrometer (Green)

Etekcity Indoor/Outdoor Moisture Meter reads moisture levels in gardens, lawn, land, etc.Take the questioning out of gardeningUse the Moisture Meter to easily check on the condition of your plants. Th..

Extech 407510 Dissolved Oxygen Meter

Recall Min/Max/Average readings. Data Hold. Built-in RS-232 PC serial interface with optional data acquisition software and data logger. Auto power off saves battery life..Dual display provides O2 or ..

Extech 780418 Internal Fill Solution For Model 407510 Dissolved Oxygen Meter

' Fill solution for DO Meter, Application For Refilling Do Meter After Membrane Replacement, Features 2 50mL Packs, For Use With 407510 Do Meter, Includes 2 50mL Packs, Manufacturers Warranty Length 6..

Extech DO700 Portable Dissolved Oxygen Meter

Versatile meter can read dissolved oxygen concentration/saturation, plus up to 7 other water quality parameters for extreme convenience. Automatic salinity and manual barometric pressure compensation ..

Finnex Temperature Controller Digital Heater

The HC-0810M Finnex controller offers a precision digital control with LED digital display which maintains water temperatures at a constant level protecting your livestock from temperature fluctuation..

High Quality Water Test Meter. Professional TDS EC & Temperature Meter. 3-in-1. Lifetime Guarantee! Accurate and Reliable Water Test Meter. With Pr...

High quality combination TDS Meter, TDS EC Meter and Temperature Meter The TDS EC Meter is a professional level water test meter that fits in your pocket! Ideal for all water quality testing, water ..

HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy

Product Description: How Pure is Your Water? A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = To..

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 3% Readout Accuracy

Product Description: A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, wh..

Hydor Smart Level Controller, Automatic Top Off, ATO

Smart level is the new versatile fully electronic water level controller designed by hydro safely and easily handles the aquarium and sump water level due to evaporation or drain malfunction. It is de..

Hydor Smart Wave Circulation Pump Controller

Smartwave helps recreate the natural currents that promote a healthy aquarium by controlling one or more pumps. Easy to use, smartwave has 2 different movement programs, alternating and sychronized, w..

Inkbird Aquarium Dual Stage Temperature Controller + NTC Sensor, AC 100V - AC 240V. (ITC-308S + 1.97" NTC Probe)

Main features: Plug and play design, easy to use; Support reading with Centigrade or Fahrenheit unit; Temperature calibration; Compressor delay protection for refrigeration control High and low t..

Inkbird ITC-306T Pre-wired Electronic Heating Thermostat Temperature Controller and Digital Timer Controller for Aquarium, Seed Germination, Reptil...

ITC-306T is a pre-wired heating output temperature controller(No Cooling Controller) with time function specifically for breeding and planting. It can be set to two different temperatures with its fun..

JBJ Automatic Top Off Water Level Controller for Aquarium

A professional grade product that automatic refilling evaporated water; the all in one A.T.O. device is the most advanced water level controller system on the market.Equipped with two float sensors th..

Kessil Spectral Controller

Equipped with flawless touch control and a vivid color display, the spectral controller is effortless light control at the touch of your fingertips. Its straightforward approach to light control progr..

Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0 - 19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent A...

The Milwaukee MW600 is a portable dissolved oxygen (DO) meter for educational, aquaculture, water analysis, and environmental analysis applications, with an LCD screen and polarographic probe with 3m..

Petzilla Aquarium Temperature Controller with NTC SenSor Probe, 110V ac (1100W)

Two Working Mode (Cool & Heat) √ Cooling Mode：If Measured Temperature ≥ (setting temp. + temp. difference), the cooling process will operate. Otherwise, the cooling process will stop. √ Heating Mode..

Temperature Controller bayite BTC201 Pre-Wired Digital Outlet Thermostat, 2 Stage Heating and Cooling Mode, 110V - 240V 10A

The BTC201 temperature controller can turn on/off an electric appliances at desired temp. For example, you can use the controller to turn on/off a heater and a fridge to keep temp around 100 F. Turn o..

Yescom 6 in 1 Digital LCD Handheld PH PPM Temp TDS EC CF Meter Water Hydroponics Tester Kit w/ Case

The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS of your nutrient solution or living environment of aquariums. It is also an essential tool for those who frequently do c..

Zoo Med AquaSun Aquarium Controller Timer & Power Strip

Programmable timer and power strip in one. Provides for a natural day/night cycle for your fish. Includes 8 grounded outlets (4 timer controlled and 4 continuous power outlets). Grounded 3 prong recep..