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Soil pH Meter

Combo Meter

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The world’s favorite nutrient meter!

With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED’s and no on/off buttons to worry about, the Bluelab Truncheon® Nutrient Meter has proven itself as the world’s favorite nutrient meter.

Commercial Truncheon

Big jobs require a big Truncheon!

With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. 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. Its super tough, fully waterproof, has no on/off buttons to worry about and does not need calibrating. Its great for stirring your nutrient tank too!

Additional accessories include:

Bluelab Replacement Truncheon Meter EC Shroud, Bluelab Replacement Suction Cup Holder for pH Probe, Bluelab Replacement Guardian Power Supply, Bluelab Replacement Truncheon Meter Battery Cap, Bluelab Replacement Soil pH Probe, Bluelab Replacement Dibber/Auger for Soil pH Probe, Bluelab Replacement screw type Wetting Cap for pH Probe and Bluelab Replacement pH Probe

If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need! Our Meter can be used by everybody from the home enthusiast through to more robust commercial applications. * Light weight and portable
* Measures pH, Nutrient (conductivity) and Temperature
* Three display options for Nutrient – EC, CF, ppm (500 scale)
* Two display options for Temperature (°C or °F)
* No calibration required for conductivity or temperature
* Simple two point calibration for pH
* Temperature at a push of a button
* Simple push button pH calibration
* Auto turn off function
* Large 13mm(1/2″) digital display for easy reading
* Supplied with quality probes and pH calibration solutions
* Low battery indicator
* Long life 2 AAA batteries

Guardian Monitor

pH Meter

pH Probe

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In just one glance the Guardian Monitor measures all three critical parameters to successful growth; pH, conductivity and temperature.
* No more test strips or manual meters required
* No need to keep checking
* Less risk of crop failure
* Less risk of disease due to an imbalance of nutrient or pH levels
* Quality pH probe included
* Simple push button pH calibration
* Auto turn off function
* Large 13mm (1/2in) digital display for easy reading
* Low battery indicator
* 2 x AAA batteries
* Light weight and portable
Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel.

Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life!

Soil pH Pen

Carrying Case

Cleaning Kit

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Bluelab’s newest hand-held meter, the Soil pH Pen, will help you manage the success of your crops. Accurately measure the pH of and temperature of soils, media or solutions! Bluelab’s new Carrying Case keeps all of your Bluelab Probe components in one place. * Full color instructions
* 500ml pH4 & pH7 Calibration solutions
* De-canter vessels
* Probe cleaner
* pH probe cleaning tool & toothbrush

Calibration Solution


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* Bluelab CF27.7(EC2.77) 500ml and 250ml bottle, 20ml sachet
* Bluelab pH4 500ml and 250ml bottle, 20ml sachet
* Bluelab pH7 500ml and 250ml bottle, 20ml sachet
* Bluelab pH10 20ml sachet

The Bluelab Calibration Solutions are a very necessary part of a growers toolbox. They are required for the calibration and checking of Bluelab meters and controllers. Our solutions are manufactured specific to the calibration process and referenced to high class laboratory standards by Bluelab.

* Continuous control of both pH and EC/CF
* Alarm function warning if solution is outside the set parameters
* Displays actual values and desired values
* Large 13mm (1/2″) displays
* IP65 splash proof case
* Fully digital pH and conductivity probe
* Easy one switch two point calibration
* Safety preset lockouts prevent dosing in out of range situations
* Complete installation kit available

The Bluelab Dosetronic is ideally suited for re-circulating hydroponic NFT systems. It will provide continuous control of the EC/CF and pH levels of a solution by adding fertilizer and pH corrector into your mixing tank via Bluelab Peridosers.