Controllers & Meters / Meters | Testers | Monitors
TDS or Total Dissolved Solids is used to describe the level of nutrients in the solution. A TDS Meter is also know as PPM meter Part Per… 32 in stock.
SaleThe HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient…
SaleThe instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Proper pH and Conductivity probe maintenance also…
SaleThe instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Proper ppm/EC probe maintenance also ensures you…
SaleBetter crops start with the Bluelab Combo Meter, it’s all you need for simple and reliable crop management and it’s all within arms reach. It is a conductivity, pH and temperature…
SaleAchieve optimal plant growth with the Bluelab Combo Meter Plus. This portable meter simplifies nutrient management in your indoor garden. It measures pH, conductivity, and…
SaleThe original, and industry-standard nutrient meter, trusted by growers worldwide for accurate and reliable readings. Ensure your plants get optimal nutrients with the Bluelab…
Bluelab EC Solution is used as a reference or checking solution to ensure the cleanliness and proper functionality of EC/CF probes. 2.77 EC conductivity standard solution.
SaleThe Bluelab Guardian Monitor Wi-Fi is an all-in-one powerhouse displays pH, conductivity, and temperature at a glance, letting you optimize nutrient levels for every growth stage…
SaleThe Bluelab EC/PPM Pen is the latest innovation for hand held conductivity meters, and the ultimate handy solution for measuring conductivity. The Bluelab EC and ppm pens measure…
SaleThe Bluelab Pulse Meter takes the guesswork out of plant care by measuring three vital root zone factors – moisture, nutrients, and temperature – with a single click. Gain…
SaleWhen growing with a hydroponic solution it is essential to know what the strength of the solution is before feeding your plants, while they are growing, and before you harvest…
HI7032M is a premium quality 1,382 mg/L (ppm) TDS calibration solution that is prepared against a NIST traceable potassium chloride solution. Hanna TDS solutions have the lot…
Sale1,382 mg/L (ppm) TDS calibration solution. Temperature chart of the actual µS/cm value at various temperatures printed on each bottle. Airtight bottle with a tamper-proof seal to…
SaleHI7061L is a general purpose cleaning solution for use with pH and ORP electrode that can be used for a variety of applications. pH electrodes become dirty with use and can…
SaleThe Hanna Instruments Waterproof EC Tester is an efficient pocket-sized meter that monitors the quality of water applications such as drinking water, irrigation lines, water…
The HI98131 is a slim, lightweight, and waterproof pocket-sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. The meter operation is…
SaleKeep your pH meters precise with the Hanna Instruments pH 7.01 Buffer solution. HI70007G’s pre-portioned pH buffer sachets ensure pinpoint accuracy for every calibration. Each…
The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor to provide around-the-clock…
Get spot-on readings for your hydroponic nutrient solution with the Hanna GroLine Waterproof EC/TDS Tester. This pocket-size tester is simple and easy to use with only two…
Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for hydroponic growers. The specialized electrode combines 3 sensors…
SaleReplacement electrode probe for the Hanna Instruments portable multiparameter meters. Made with a polypropylene body and featuring a built-in temperature sensor, this…
Replacement electrode probe for the HI9813-6 Portable Meter. Made with a polypropylene body and featuring a built-in temperature sensor, this multiparameter probe provides quick…
Replacement multiparameter probe for the Hanna GroLine Waterproof Portable Meter. Designed with hydroponic growers in mind, this 3-in-1 probe delivers the results you need in a…
SaleThe Milwaukee EC40 PRO is an extremely tough, reliable, IP67 waterproof nutrient meter designed for hydroponic, horticulture, and agricultural applications. Factory calibrated —…
SaleThe Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers. This is a 4-in-1 tester that is accurate to ±0.05 pH…
SaleMeasure pH, EC, and TDS all in one with the Milwaukee 3-in-1 Combo Meter. With just a single probe and meter the MW802 model helps you manage water quality by testing pH levels…
SaleThis Milwaukee MW805 MAX pH/EC/TDS/Temp. 4-in-1 combo meter allows you to measure pH, EC (conductivity), TDS and Temp. with a single meter and one single probe. pH and…
SaleThe Milwaukee Instruments SE600 probe is designed for use with the Milwaukee MW801 and MW802 PRO 3-in-1 pH, EC, TDS Combo Meters.
SaleThe CD610 helps make sure that you keep your water clean and healthy. It is a cost effective tool to keep PPM in your target range, helping you achieve better results. This high…
SaleThe TrolMaster EC & Temperature probes provide accurate and reliable monitoring on the EC and temperature of the water being monitored by the Aqua-x. The PCT-1 probe connects to…
SaleThis PCT-2 Inline EC/Temp Sensor is specially designed for the TrolMaster Aqua-X Irrigation Control System. The EC/Temp electrode probe has a single cylinder that allows direct…
SaleThe Aqua-X system is a professional-grade irrigation control system. It is a fully customizable modular designed system. Installation is simple and the system is easy to expand…