Testing Equipment

Digital meters and testing equipment for precise water quality monitoring.

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  • Aquarium Elements TDS Water Tester

    Aquarium Elements TDS Water Tester

    Aquarium Elements TDS Water Tester

    $9.09
    Sale price  $9.09 Regular price 
  • Aquarium Elements TDS / pH / EC / Temp Meter

    Aquarium Elements TDS / pH / EC / Temp Meter

    Aquarium Elements TDS / pH / EC / Temp Meter

    $23.64
    Sale price  $23.64 Regular price 
  • Aquarium Elements Handheld Digital pH Meter

    Aquarium Elements Handheld Digital pH Meter

    Aquarium Elements Handheld Digital pH Meter

    $12.79
    Sale price  $12.79 Regular price 
  • Neptune Double Junction Lab Grade pH Probe

    Neptune Double Junction Lab Grade pH Probe

    Neptune Double Junction Lab Grade pH Probe

    $119.99
    Sale price  $119.99 Regular price  $143.99
  • Neptune Double Junction Lab Grade ORP Probe

    Neptune Double Junction Lab Grade ORP Probe

    Neptune Double Junction Lab Grade ORP Probe

    $129.99
    Sale price  $129.99 Regular price  $139.99
  • Neptune Trident Calibration Standard

    Neptune Trident Calibration Standard

    Neptune Trident Calibration Standard

    $13.63
    Sale price  $13.63 Regular price 
  • Trident ACM Alkalinity, Calcium & Magnesium Tester (without reagents)

    Trident ACM Alkalinity, Calcium & Magnesium Tester (without reagents)

    Trident ACM Alkalinity, Calcium & Magnesium Tester (without reagents)

    $649.99
    Sale price  $649.99 Regular price 
  • Neptune Apex Systems Lab Grade Conductivity Probe

    Neptune Apex Systems Lab Grade Conductivity Probe

    Neptune Apex Systems Lab Grade Conductivity Probe

    $250.00
    Sale price  $250.00 Regular price 
  • Neptune Apex Systems APEX/JR Temperature Probe

    Neptune Apex Systems APEX/JR Temperature Probe

    Neptune Apex Systems APEX/JR Temperature Probe

    $53.39
    Sale price  $53.39 Regular price 
  • Neptune Apex PM2 - Conductivity Temp Probe Module

    Neptune Apex PM2 - Conductivity Temp Probe Module

    Neptune Apex PM2 - Conductivity Temp Probe Module

    $127.88
    Sale price  $127.88 Regular price 
  • Neptune Apex PM1 - PH/ORP Temp Probe Module

    Neptune Apex PM1 - PH/ORP Temp Probe Module

    Neptune Apex PM1 - PH/ORP Temp Probe Module

    $127.88
    Sale price  $127.88 Regular price 
  • Neptune Trident NP Nitrate & Phosphate Tester (Without Reagents)

    Neptune Trident NP Nitrate & Phosphate Tester (Without Reagents)

    Neptune Trident NP Nitrate & Phosphate Tester (Without Reagents)

    $669.99
    Sale price  $669.99 Regular price  $679.99
  • Neptune 2-Month Trident NP Reagent Kit

    Neptune 2-Month Trident NP Reagent Kit

    Neptune 2-Month Trident NP Reagent Kit

    $59.99
    Sale price  $59.99 Regular price  $69.99
  • Neptune 6 Month Trident Reagent Supply Kit

    Neptune 6 Month Trident Reagent Supply Kit

    Neptune 6 Month Trident Reagent Supply Kit

    $109.99
    Sale price  $109.99 Regular price  $163.00
  • Neptune 2 Month Trident Reagent Supply Kit

    Neptune 2 Month Trident Reagent Supply Kit

    Neptune 2 Month Trident Reagent Supply Kit

    $49.99
    Sale price  $49.99 Regular price  $59.99
  • Milwaukee MA9311 12V DC power adapter (115V) US style plug

    Milwaukee MA9311 12V DC power adapter (115V) US style plug

    Milwaukee MA9311 12V DC power adapter (115V) US style plug

    $24.15
    Sale price  $24.15 Regular price 
  • Milwaukee MA911B/2 Lab Grade Double Junction pH Electrode Probe with Extended Cable

    Milwaukee MA911B/2 Lab Grade Double Junction pH Electrode Probe with Extended Cable

    Milwaukee MA911B/2 Lab Grade Double Junction pH Electrode Probe with Extended Cable

    $55.10
    Sale price  $55.10 Regular price 
  • Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

    Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

    Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

    $107.80
    Sale price  $107.80 Regular price 
  • Milwaukee MA887 Digital Salinity Refractometer

    Milwaukee MA887 Digital Salinity Refractometer

    Milwaukee MA887 Digital Salinity Refractometer

    $155.00
    Sale price  $155.00 Regular price  $201.00
  • Milwaukee MC811US MAX pH/EC/Temp Monitor

    Milwaukee MC811US MAX pH/EC/Temp Monitor

    Milwaukee MC811US MAX pH/EC/Temp Monitor

    $308.20
    Sale price  $308.20 Regular price 
  • Milwaukee CD97 Digital Low Range TDS Pen

    Milwaukee CD97 Digital Low Range TDS Pen

    Milwaukee CD97 Digital Low Range TDS Pen

    $34.50
    Sale price  $34.50 Regular price 
  • Milwaukee MC120 PRO pH Monitor

    Milwaukee MC120 PRO pH Monitor

    Milwaukee MC120 PRO pH Monitor

    $139.15
    Sale price  $139.15 Regular price  $144.95
  • Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

    Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

    Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

    $195.20
    Sale price  $195.20 Regular price 
  • Milwaukee T75 Waterproof TDS Tester

    Milwaukee T75 Waterproof TDS Tester

    Milwaukee T75 Waterproof TDS Tester

    $48.30
    Sale price  $48.30 Regular price