The Bluelab Combo Meter is everything you need for simple and reliable growing of your crop!

• easy to use, clean and calibrate
• measures pH , conductivity (EC, CF, ppm700 and ppm500) and temperature (°C, °F) of the nutrient solution
• simple two-point calibration (pH)
• Does not require calibration of the conductivity/temperature probe (factory calibrated)!
• 2-meter cable for measuring in hard-to-reach places
• Bluelab pH Probe : included
• appliance warranty: 5 years
• Probe warranty: 6 months

The Bluelab Combo Meter is not waterproof , but will withstand occasional splashes of water! If the device does get splashed, dry it as quickly as possible!

The Bluelab Multimedia pH Meter allows for pH measurement directly in the root zone , regardless of the growing medium - soil , expanded clay , coco , mineral wool or nutrient solution .

• hardened sensor tip for measurements directly in the root zone
• easy two-point calibration with 30-day active period indicator
• LCD display with backlight
• low battery indicator
• automatic shut-off function
• 2 x AAA alkaline batteries ( included )
• Probe cable length: 2m.
• appliance warranty: 5 years
• Probe warranty: 6 months

The Bluelab Multimedia pH Meter is not waterproof , but will withstand occasional splashes of water. If the device does get splashed, dry it as quickly as possible!

Milwaukee EC meter CD60

professional EC-meter

Professional Waterproof EC-meter with temperature display, automatic temperature compensation and automatic calibration.

Shows EC or PPM; plus the temperature of the solution.

Function "HOLD" to save the measured value.

Replaceable sensor.

Bluelab Probe Care Kit – pH & Conductivity is a kit containing everything you need to clean, hydrate and calibrate the probe of your pH meter, as well as to clean and test the probe of your EC meter (electrical conductivity meter):

• Instructions on how to care for the probes of your devices
• 2 x Bluelab pH 7.0 Calibration Solution - Sachet 20ml
• 2 x Bluelab pH 4.0 Calibration Solution - Sachet 20ml
• 2 x Bluelab pH Probe KCl Storage Solution - Sachet 20ml for single use
• 2 x Bluelab 2.77 EC Conductivity Standard Solution Sachet 20ml for single use
• pH probe cleaner
• EC probe cleaner
• pH probe cleaning tool
• EC probe cleaning tool

The Milwaukee Waterproof pH55 PRO pH/Temp is one of the best-selling pH testers on the market. Its accurate measurements, affordable price , ruggedness and reliability make it a favorite among both hobbyists and professional gardeners. With a large digital LCD display, easy-to-change probe and extended pH measurement range, the ph55 PRO is the answer to almost any application. Ideal for use in aquariums , hydroponics , gardening , swimming pools , beer and many other applications.

• accuracy up to ±0.1 pH and extended measurement range from -2.0 to 16.0 pH
• lightweight and portable
• easy to use
• automatic temperature compensation ( ATC )
• easy automatic calibration in one or two points
• includes 2x solutions   for calibration ( M10007 and M10004 )
• completely waterproof ( IP65 )
• built-in probe: Mi 56P ( replaceable )

Bluelab Probe Care Kit - Conductivity 

Milwaukee MI56P is a replacement pH electrode for Milwaukee pH55 and Milwaukee pH56 pH testers ( sold separately ).

• measures: pH and temperature of solutions
• easy installation
• measuring range: 0.0 - 14.0 pH
• resolution: 0.1 pH
• measurement accuracy: ±0.1 pH
• warranty: 6 months

Bluelab Probe Care Kit - pH is a kit containing everything you need to clean, hydrate and calibrate the probe of your pH meter:

• Instructions on how to care for your probe
• 2 x Bluelab pH 7.0 Calibration Solution - Sachet 20ml
• 2 x Bluelab pH 4.0 Calibration Solution - Sachet 20ml
• 2 x Bluelab pH Probe KCl Storage Solution - Sachet 20ml
• 3 plastic cups
• Probe cleaner
• Bluelab toothbrush (transducer cleaning tool)

Bluelab Guardian Monitor allows you simply and effectively to measure pH, conductivity and temperature of the nutrition solution in your reservoir.

• Replaceable Bluelab pH probe included
• Bluelab pH probe cable length: 2m
• No calibration required for the conductivity/temperature probe (factory calibrated)
• Waterproof design
• 2 year warantee for the device
• 6 month warantee for Bluelab pH probe

Measurement range:

• pH: 0.0 - 14.0
• EC: 0.0 - 5.0
• CF: 0 - 50
• ppm 500 (EC x 500): 0 - 2500TDS
• ppm 700 (EC x 700): 0 - 3500ppm
• temperature: 0 - 50°C / 32 - 122°F

Accuracy (at 25°C / 77°F):

• pH: ± 0.1
• EC: ± 0.1
• CF: ± 0.1
• ppm 500 (EC x 500): ± 50TDS
• ppm 700 (EC x 700): ± 70ppm 
• temperature: ±1°C / ± 2°F

The ilwaukee EC40 EC/TDS Nutrient Meter measures conductivity ( EC ) and total dissolved solids ( TDS ) in nutrient solutions used in hydroponics , horticulture or agriculture . With this meter, you will always know the exact amounts of nutrients your plants are receiving, ensuring healthy growth and zero product loss .

• measures conductivity ( EC ) and total dissolved solids ( TDS ) with automatic temperature compensation
• ideal for hydroponics applications: provides measurements in EC , CF , ppm700 and ppm500 scales
• measuring range: 0.2 - 4 mS/cm / 2 - 40 CF / 140 - 2800 ppm (0.7 scale) / 100 - 2000 ppm (0.5 scale)
• measurement accuracy (EC): ± 4% at 25°C
• units directly in mS/cm/CF/PPM ( no conversions needed )
• factory calibrated ,   no continuous calibration required
• auto-off / auto-on functions: auto-off / auto-on
• blue LED indicators
• battery level indicators