AI104G GroStar Series GS4 pH/EC/500ppm/700ppm Combo 5-in-1 Pen Tester Kit with Replaceable Double-Junction pH/EC Probe for Hydroponics Water Quality Testing, Gen II
Product ID: 514754304
💡HD backlit screen with quick calibration
📊5-in-1 multi-parameter testing
🔋Replaceable double-junction probe
€ 313.64
1
Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO
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Description
🌱 Grow smarter, not harder — the ultimate hydroponic testing pen for pros!
- ALL IN ONE CONFIDENCE - Streamline your hydroponic water quality testing with one trusted tool.
- GROWER CENTRIC DESIGN - Intuitive 2-point calibration done in under a minute on a bright, easy-to-read screen.
- MAINTENANCE MADE SIMPLE - Electrode condition indicator and calibration reminders keep your readings reliable.
- PRECISION MEETS EFFICIENCY - Lab-grade accuracy for pH, EC, TDS, and temperature in one sleek device.
- SUSTAINABLE COST EFFECTIVE - Replace only the probe, not the whole pen—smart engineering that saves you money.
The Apera Instruments AI104G GroStar GS4 is a professional-grade 5-in-1 pen tester designed for hydroponic growers, measuring pH, EC, TDS (500ppm & 700ppm), and temperature with high accuracy. Featuring a replaceable double-junction pH/EC probe, an HD backlit screen, and a fast, grower-friendly calibration process, it ensures reliable water quality monitoring with minimal maintenance. Trusted by experts for durability and precision, it’s the essential tool for optimizing crop success.
Specifications
| ASIN | B0BGQFPGMY |
| Batteries | 4 AAA batteries required. (included) |
| Best Sellers Rank | #40,556 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #43 in Lab pH Meters |
| Date First Available | September 28, 2022 |
| Item Weight | 4.7 ounces |
| Item model number | AI104G |
| Manufacturer | Apera Instruments |
| Product Dimensions | 7 x 1.5 x 1.3 inches |
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