• Sale!

    1382 PPM Solution 220ml

    $11.99 $8.99
    Add to cart
  • Sale!

    1500 ppm Calibration Solution 1 qt

    $21.50 $16.13
    Add to cart
  • Accurate pH 7 & Accurate pH 8

    View products
  • Sale!

    Active Aqua pH Test Kit

    $5.95 $4.46
    Add to cart
  • Sale!

    Autopilot Digital PH Controller

    $369.95 $277.46
    Add to cart
  • Sale!

    Autopilot PH Replacement Probe

    $64.95 $48.71
    Add to cart
  • Sale!

    Batteries for pH/TDS pen, pack of 4

    $6.95 $5.21
    Add to cart
  • Sale!

    Bluelab 2.77 EC Conductivity Solution 250ml

    $8.16 $6.12
    Add to cart
  • Sale!

    Bluelab 2.77 EC Conductivity Solution 500 ml

    $10.99 $8.24
    Add to cart
  • Bluelab 2.77 EC Conductivity Standard Solution

    View products
  • Bluelab Calibration Solution 20 ml Sachets

    View products
  • Sale!

    Bluelab Carry Case

    $25.00 $18.75
    Add to cart
  • Sale!

    Bluelab Commercial Truncheon Meter

    $140.00 $105.00
    Add to cart
  • Sale!

    Bluelab Commercial Truncheon Meter

    $140.00 $105.00
    Add to cart
  • Sale!

    Bluelab Conductivity Pen

    $94.00 $70.50
    Add to cart
  • Bluelab Connect Product Suite

    View products
  • Sale!

    Bluelab Dosetronic Peridoser Kit

    $2,900.00 $2,175.00
    Add to cart
  • Sale!

    Bluelab Dosetronic Solenoid Kit

    $2,320.00 $1,740.00
    Add to cart
  • Sale!

    Bluelab Growers Toolbox

    $199.00 $149.25
    Add to cart
  • Sale!

    Bluelab Guardian Connect

    $450.00 $337.50
    Add to cart
  • Sale!

    Bluelab Guardian Monitor

    $364.00 $273.00
    Add to cart
  • Sale!

    Bluelab Guardian Monitor Power Supply

    $22.60 $16.95
    Add to cart
  • Sale!

    Bluelab Nutrient Probe Care Kit Conductivity

    $11.90 $8.93
    Add to cart
  • Sale!

    Bluelab Original Truncheon Meter

    $140.00 $105.00
    Add to cart
  • Bluelab pH 4.0 Calibration Solution

    View products
  • Sale!

    Bluelab pH 4.0 Calibration Solution 500ml

    $10.99 $8.24
    Add to cart
  • Bluelab pH 7.0 Calibration Solution

    View products
  • Sale!

    Bluelab pH 7.0 Calibration Solution 250 ml

    $8.16 $6.12
    Add to cart
  • Sale!

    Bluelab pH Controller

    $569.00 $426.75
    Add to cart
  • Sale!

    Bluelab pH Controller – Connect

    $629.00 $471.75
    Add to cart