Apera Instruments AI101G GroStar Series GS1 pH Pen Tester Kit with Replaceable Double-Junction pH Probe for Hydroponics Water Quality Testing, Gen II







Key features
- •Lab-grade pH meter designed specifically to meet growers' needs and habits
- •Measures pH and temperature with premium probe technologies, ensuring high accuracy and durability with minimal maintenance
- •Grower-friendly calibration workflow on an HD backlit screen allows you to finish 2-point calibration within a minute
- •Replaceable double-junction pH probe helps you save money in the long run
- •pH probe condition indicator and calibration reminder function help you perform proper maintenance in a breeze
BrandApera Instruments
CategorypH Meters
WarrantyManufacturer limited warranty: 2-year for the instrument, 1-year for the probe
Apera Instruments AI101G GroStar Series GS1 pH Pen Tester Kit with Replaceable Double-Junction pH Probe for Hydroponics Water Quality Testing, Gen II
List Price: $139.64$125.68DEALYou Save: $13.96 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (2)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection






