Hydroponic Supplies

TDS / PPM / EC Meters

It is essential when growing with a hydroponic solution to know what the strength of the solution is before feeding your plants and while they are growing.

  1. 1
    Bluelab Truncheon Meter

    Super tough, high quality fully waterproof nutrient meter. EC, CF and ppm scales. Calibration of the Meter is not required and it's great for stirring your nutrient tank too! Auto sense on and off. No external switches or buttons. 5 year guarantee.

  2. 2
    Bluelab Commercial Truncheon Meter

    The Commercial Truncheon Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle. Fully waterproof. No calibration required.

  3. 3
    Hanna DiST 5 Waterproof (Low Range) EC/TDS/Temperature Meter

    Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement.

  1. 4
    Milwaukee Continuous TDS Monitor SMS410

    The SMS 410 Smart TDS Monitor allows you to continuously monitor Total Disssolved Solids directly in your hydroponic environment. Features an LED alarm.

  2. 5
    Hanna EC/TDS Monitor w/ HI7632 EC Probe

    These state-of-the-art meters have been engineered with a host of features suited to the aggressive environments commonly found in agricultural applications; housings and cable connections have been sealed against vapor and humidity.

  3. 6
    Nutradip Continuous TDS Meter

    The Nutradip Nutrient (TDS) meter will continuously measure the concentration of the Total Dissolved Solids (TDS) or nutrient levels in the growing solution being provided to the plants. It will assist in ensuring optimum growth in your hydroponic operation.

  1. 7
    EC Shake Nutrient Meter

    This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to power this simple, yet sophisticated meter.

  2. 8
    Milwaukee Waterproof TDS Tester T76

    Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 9990 ppm (mg/L), replaceable MA73076 probe.

  3. 9
    Milwaukee Waterproof TDS Tester T75

    Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe.

  1. 10
    Hanna DiST 1 TDS Tester

    DiST testers are reliable, pocket-sized instruments that will give you quick and accurate readings of conductivity and TDS. Automatic temperature compensation.

  2. 11
    HM Digital - AquaPro TDS/Temp Meter

    HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern garden. The AquaPro digital water testers are the next generation for today's tech-savvy consumer.

  3. 12
    HM Digital - TDS-3 Handheld TDS Meter

    Highly efficient and accurate due to its advanced microprocessor technology. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm.

  1. 13
    Bluelab PPM Pen

    The latest innovation for hand held ppm meters, and the most handy solution for measuring ppm and ec on the fly. The Bluelab ppm pen provides a very quick and compact way to manage the success of your garden ensuring maximum uptake of nutrients.