Apera Instruments GroStar GS2 Soil pH Pen

Lab grade instruments designed specifically for growers!

The GS2 Soil pH Pen includes: pH 7 & pH 4 solution (50ml bottles of each), KCL soaking solution (10ml bottle), cleaning brush, hole dibber, lanyard and user manual

• Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types
• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance/li>
• Impact-resistant spear glass tip, 10 times stronger than conventional glass bulb
• PTFE ring prevents a clogged junction caused by soil particles, significantly increases durability
• Backed by Apera's proprietary sensor technology from Switzerland
• Easy-to-use design and fast calibration adjustment
• Replaceable Swiss LabSen Spear Soil pH Probe
• Large 3-color backlit screen gives you clear information
• Durable structure, IP67 waterproof
• Powered by AAA batteries with auto off function
• Automatic temperature compensation
• 2-year warranty on pen, 1-year warranty on probe