Bluelab Digital pH Pen aquarium-supplies Aluminum tops and bases for

Aluminum tops and bases for reduced weight

Made of stainless steel and anodized aluminium

The RS is a reliable partner for long-lasting air movement

Will work well with most Grow Lights

Available in two sizes: Choose the ideal quantity for your needs with 1kg and 5kg size options

Bluelab Digital pH Pen aquarium-supplies Aluminum tops and bases forIntroducing the Digital pH Pen By Bluelab The Bluelab pH Pen helps monitor the nutrient level in your plant's solution to ensure healthy growth. The pen measures both the pH and temperature of the solution and has a backlit LCD display for easy reading. It also has a successful pH calibration indicator and is fully waterproof for easy use. The temperature of the solution should be kept between 18 22C for optimal growth. This handy tool is powered by a