Bluelab Conductivity Pen
Bluelab Conductivity Pen
An accurate and reliable conductivity (EC) and temperature pen.
Measure nutrient levels and temperature to create the best nutrient environment for your plant’s growth. Maintaining optimal nutrient levels can reduce nutrient burn or stunted growth. It is compact, easy to use and ensures optimal crop health with Automatic Temperature Compensation (ATC). Pair it with our Bluelab pH Pen for a complete measurement system.
Features:
- Compact handheld design for convenient use
- Bright, easy-to-read backlit display
- Measures conductivity in EC, ppm 500 (TDS), or ppm 700
- Factory calibrated and ready to use immediately
- Read temperature in °C or °F
- Waterproof and floats in any solution
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Skip the middleman—Bring fresh produce and leafy greens straight to your table.
What can you grow with the Harvest Wall For Home?

Leafy greens & herbs - 2” Port

Tomatoes, Berries & Peppers - 3.25” Port Harvest Tile
FAQs from Growers Like You
How much space do I need?
The Harvest Wall For Home V2.5 with LED Lights only takes up 5.5 square-feet of space (31" L x 26" W), making it easy to fit anywhere in your home. The casters also make it simple to move your wall around when it’s time for a change.
What can I do on the Harvest Today App?
The Harvest Today app allows you to schedule watering cycles so you don’t have to think about it all the time. The app works with our Microfarms and commercial Harvest Walls. Not the Harvest Wall for Home.
What do I do if something is wrong with my Harvest Wall?
Harvest Wall For Home is backed by a 3-year plastics warranty and 1-year electronics warranty, ensuring peace of mind should you encounter a problem.
What can I grow with my Harvest Wall?
You can grow a variety of leafy greens, vegetables, herbs, and fruits at home with the Harvest Wall. The Harvest Tile comes in 2 sizes of grow ports, allowing you to further customize your indoor garden to your needs.