EcoSense® pH Pen Digital pH Pen Options & Accessories:Calibration Solution (Set of 3) Connect-A-Dock provides flexibility to create

Connect-A-Dock provides flexibility to create a variety of dock shapes and styles

Caution: Highly Corrosive

No additional buffer required

No assembly required

DIET: Zooplankton and phytoplankton

EcoSense® pH Pen Digital pH Pen Options & Accessories:Calibration Solution (Set of 3) Connect-A-Dock provides flexibility to createThe EcoSense pH Pen eliminates the need for cumbersome field kids to measure pH. It's the perfect instrument for economical spot sampling of pH and temperature in many applications, including wastewater, surface water, aquaculture, hydroponic pools and education. Waterproof Easily calibrated Batteries included 1 year manufacturer's warranty EcoSense pH pen and calibration solutions sold separately