Bluelab - pH Pen



Target nutrient pH: 5.5 – 6.5
Target nutrient temperature: 18oC - 21oC

Pinpoint your pH & temperature with a single tool – a 2-in-1 Bluelab pH Pen.

It’s a handheld and easy to use. You’ll quickly get a clear, accurate readings  on an easy-to-read backlit LCD screen.

By getting your pH right, you’ll maximise nutrient uptake – for most plants, the ideal pH is 5.5 – 6.5.

Get your nutrient temperature right to fight root diseases, improve growth and boost nutrient uptake further.

A 12 month warranty and batteries are included! It’s just what you need at a low, low cost.

Handheld pH pen
12 month warranty included
• Measures pH and temperature
• Selectable units for temperature
• Backlit LCD display
• Double junction probe (not replaceable)
• Successful pH calibration indicator
• Hold reading function
Low battery warning
• Fully waterproof
Auto off function
Automatic temperature compensation
• 1 x AAA alkaline battery included

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