Description
Big name thats trusted in the industry. The go-to equipment used by many growers.
Why pH?
Plants can only access nutrients properly when solution pH is within the appropriate range. The Bluelab pH Pen provides a compact way to measure pH and solution temperature.
Looking for the newer replaceable-probe option? See the Bluelab pH PenPlus. It measures pH and temperature and lets you replace the probe when it eventually wears.

