Bluelab Conductivity Pen

The Bluelab BLU2221 ppm pen provides a quick and easy way to ensure the productivity of your crops by ensuring they have the nutrients they need by measuring conductivity and temperature. The waterproof ppm pen measures conductivity on the ppm 500 and 700 scales and temperatures in Celsius and Fahrenheit. With an easy-to-read LCD display, this ppm pen is an essential tool for a successful grow. Comes with one AAA alkaline battery.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.