Soil pH Pen Digital Meter And Water Test Kit For Hydroponics And Indoor Grow Rooms, Easy Calibration, Temperature Reading, Lab Quality Glass Probe, Ideal For Coco Coir, Rockwool, And Nutrient Solutions

Digital soil pH & water tester for hydroponics kit
✔️ Single unit with lab-grade glass probe, ATC, auto-calibration

This handheld pH pen uses a lab-quality glass probe to read pH and temperature in nutrient solutions, soil, coco coir, and rockwool. It's built for indoor grow rooms, tents, aquariums, and hydroponic systems, with a waterproof housing and an auto-off feature to save battery.

✅ pH and temperature readings in nutrient solutions, soil, coco, and rockwool
✅ ATC temperature compensation for stable results during temperature changes
✅ Waterproof design, auto-off, and low battery indicator
✅ Includes AAA battery and storage cap; calibration solution sold separately

💡 What is a soil pH and water tester used for in hydroponics and indoor gardens?

This handy tool helps growers monitor and adjust pH and temperature for optimal nutrient uptake in coco coir, rockwool, soil, and other media, making it easy to keep plants healthy in indoor environments.

- How ATC improves reading accuracy across temperature shifts - Why regular calibration matters for long-term performance - Practical care tips for storage and maintenance in hydroponic setups