Bluelab PH Probe Harvesting The wide 120° beam angle

The wide 120° beam angle ensures even light distribution across propagation trays

Magic limits a plant's ability to grow…don't stop reading

Save time on manual measurements and spot checks

The HP1 features 5 different hole sizes that all accept wet and dry-produce to ¾"

Bluelab PH Probe Harvesting The wide 120° beam angleRegularly monitoring pH is vital for healthy plants, especially as levels fluctuate naturally. Most plants thrive in slightly acidic water but, if rates fall too low, you may find your plants stunted, yellowing, and unable to take in nutrients. This pH probe works with a range of Bluelab products to keep your entire hydroponic system in optimal conditions. Compatible with Bluelab Like other products in the Bluelab range, the probe has a BNC connector