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The first all in one handheld pen from the best in the business; Bluelab. The OnePen accurately measures pH, conductivity (EC/PPM) and temperature allowing you to fully optimise your plant nutrition. The pen is highly durable and has an IP68 dust and waterproof rating as well as a double-junction, replaceable pH probe and titanium electrodes. This meter also features Bluetooth connectivity to the free Edenic App that allows you to record, store, categorise and share your measurements with a single click!
Using the OnePen could not be easier. Simply turn it on by pressing the 'O' button, then choose your desired measurement mode by pressing the 'CAL' button. The available options are pH/Temp, EC/pH, EC/Temp and mV/Temp. Immerse the probe into your nutrient solution and wait for the reading to stabilise. You can then choose to hold the reading for 10 secs by pressing the 'O' button at which point you can then cycle through the measurement options using the 'CAL' button again.
The Bluelab OnePen has a 2 year warranty.
Hi I am interested in buying the Bluelab OnePen, how much do the replacement probes cost and where can I get them from? Do the replacement probes just replace the pH probe, or the pH and EC probes. Is the EC probe replaceable? If the EC probe breaks within the 2 year warranty can I send it back to get fixed or replaced for free? Thanks in advance.
Hi there,
The Bluelab OnePen utilises one probe that reads both pH and EC, this replacement probe is due to be available to purchase soon but at present, we are awaiting the UK supplier to release this information to us so we can list this replacement part.
The units warranty is indeed 2 years.
Kind Regards,
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