Testers & Meters

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..

iMeshbean® Digital PH Tester Meter Pen + TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM with Free Batteries USA Seller

Package includes: 1 x Digital pH meter; 1 x TDS Meter Tester; 2 × Calibration Buffer Powder； 1 x Calibration Adjustment screwdriver; 5 x Batteries; 2 x Carrying cases; 2 x User manualBrand: iMeshbea..

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..

Luster Leaf 1601 Rapitest Soil Test Kit

It’s vital to know the existing pH, Nitrogen (N), Phosphorous (P) and Potash (K) levels in garden soil. The rapitest Soil Test Kit continues to be the standard for home soil testing. The kit include..

Luster Leaf 1605 Rapitest Digital Soil Testing Kit

Electronic version of Luster Leaf’s popular 1601 Soil Test Kit. The rapitest Digital Soil Tester utilizes advanced LED digital technology and patent-pending optical calibration system to read test col..

Luster Leaf 1612 Rapitest pH Soil Tester

It’s vital to know the existing pH level in garden soil. The rapitest pH Soil Tester continues to be a great value for home soil testing. The kit includes all components needed to for (10) tests. The ..

Luster Leaf 1638 Rapitest Rain Gauge with Mounting Bracket

Rapitest Rain Gauges are made to accurately record rain fall while decoratively accenting the yard, patio or garden. Whether they come with a decorative bracket or adjustable stake, all components are..

Luster Leaf 1818 Rapitest Mini 4-in-1 Soil Tester

Measure four soil indicators at once with this 4-in-1 meter. Measure sunlight exposure, soil fertility, soil moisture and soil pH with this triple-probed device. Prevent scorching, overwatering, overf..

Luster Leaf Digital Moisture Meter

Moisture meter for testing soil moistureEasy to read digital outputInstantly measures moisture levelIncludes printed plant listFrom Rapitest - The Leaders in Soil TestingDesigned and engineered in the..

Luster Leaf Rapitest Soil Tester 1609CS

It’s vital to know the existing pH, Nitrogen (N), Phosphorous (P) and Potash (K) levels in garden soil. The rapitest Soil Tester continues to be a great value for home soil testing. The kit includes a..

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..

Nutrafin Master Test Kit, Contains 10 Test Parameters

The Nutrafin Master Test Kit is suitable for fresh and saltwater aquariums. It includes 10 test parameters to help make sure you are providing a proper living environment for your fish and plants incl..

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..

pH Test Strips 0-14, Universal Strips To Test Water Quality For Swimming Pools, Hot Tub, Hydroponics, Aquarium, Kombucha, Household Drinking Water,...

Are you concerned about pH levels in your food, water supply, and garden? Whether it is for health concerns, growing vegetables or ensuring your pool isn't a hotbed of algae pH testing is an easy way ..

Rapitest 1835 Luster Leaf Digital 3-Way Soil Analyzer

This digital 3-way soil analyzer will help you get the proper readings for pH, fertility and temperature. Gardener's enjoy using meters as an easy and convenient method to check your soil for these re..

Seachem Alerts Combo Pack, 2 Monitors

Alerts Combo Pack, 2 MonitorsContinuous monitoring for both ammonia and pH in freshwaterAmmonia Alert provides continuous monitoring of free ammonia levels in the freshwater and marine aquaria and las..