Meters & Dosers

33 products


  • Sale -15% Measuring Cup

    Measuring Cup

    Sturdy, non-breakable food grade plastic cups with graduated metric markings and reinforced handle. Available in five convenient sizes.

    $8.97$7.59

  • Sale -20% HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

    HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

      HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831) Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS Stores up to 20 measurement readings, so you can monitor changes over time LCD touch-type screen with auto backlighting Powered by a rechargeable lithium ion battery Features an adjustable alarm that has a high and low set point Automatically turns off after 5 minutes Comes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution 110V-220V   Three year warranty (6 month warranty on the pH probe)

    $359.00$287.00

  • Dosatron Nutrient Delivery System - Mixing Chamber

    Dosatron Nutrient Delivery System - Mixing Chamber

    A well-blended solution is key to a successful dosing system. A must have! One way to get that homogenized blend is to add a mixing chamber to the Nutrient Delivery System. Kit includes mixing chamber, unions, nipples, and roll of Teflon tape. This is for a 1-1/2 in system. Assembly required.

    $109.20

  • Sale -6% Metal Needle for 60CC Syringe

    Metal Needle for 60CC Syringe

    Used by the pros to take water samples deep inside a Grodan stonewool block or slab for better pH and EC analysis. Fits any standard Luer-Lock plastic syringe.

    $6.95$6.53

  • Sale -3% Active Air 2-Way Moisture/pH Meter

    Active Air 2-Way Moisture/pH Meter

    Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) and pH 10 (basic) are represented. The durable, easy-to-read tester is suitable for indoors or out and needs no batteries to operate. Remove from soil and clean prongs after each use to ensure the moisture meter stays in top performance shape.

    $11.24$10.95