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Sustainable Hydroponics

970-373-3786
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GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester

GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester

Store/maintenance
SKU 244421
158.38
SRP⠀ 222.88 − 64.50
✅ price beat guarantee
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GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester
Store/maintenance
Product Details
UPC: 810214031604
Brand: GroStar
Available stock: 106+

item
244421

🌱

AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen

Lab grade instruments designed specifically for growers!

Includes:
• 2-year warranty (instrument)
• 1-year warranty (probe)
• pH 7 & pH4 calibration solution (50ml bottle each)
• 2.77 EC calibration solution (50ml bottle)
• KCL storage solution (10ml bottle)
• Lanyard and user manual

Features:
• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
• Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
• Easy-to-use design and fast calibration adjustment
• Double junction replaceable probe, so you don’t have to discard the entire pen when the probe reaches its end of life
• Large 3-color backlit screen gives you clear information
• Durable structure, IP67 waterproof rating
• Powered by AAA batteries with auto off function
• Automatic temperature compensation

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