Bluelab pH Pen | Digital pH & Temp Meter for Hydroponics

🏷️ Bluelab pH Pen 💧 Accurate pH & Temp Readings for Healthy Plants

pH matters! The Bluelab pH Pen is a must-have for NZ hydroponic gardeners. It makes monitoring your nutrient solution easy and accurate.

🌱 Key Benefits

• Keep nutrients available with correct pH levels
• Avoid nutrient lockout and poor growth
• Monitor temperature to prevent plant stress
• Durable and waterproof – floats in reservoirs
• Compact, easy-to-use design for daily checks

🔍 Main Features

• Measures pH (0.0–14.0) and temp (0–50°C / 32–122°F)
• ±0.1 pH and ±1°C accuracy
• Auto temperature compensation (ATC)
• Simple 2-point calibration (pH 7 & 4 or 10)
• Auto-off to save battery life
• Powered by 1 x AAA battery (included)
• Made in NZ with a 1-year warranty

🧪 How to Use

1. Dip the probe into your nutrient solution
2. Wait for the pH/temp reading to stabilise
3. Use the “Hold” function if needed
4. Rinse after each use and keep the probe tip moist

💡 Grower Tips

• Clean and calibrate monthly for best results
• Always store the probe in KCl or pH 4/7 solution
• Never store in distilled or deionised water
• Pair with a Bluelab Conductivity Pen for full nutrient control

✅ Best For

• Hydroponic setups, soil-less media, coco, raised beds, and DIY grow systems
• Perfect for hobbyists, greenhouse growers, and pro gardeners in NZ

🛒 Take the guesswork out of growing

Add the Bluelab pH Pen to your kit and make every drop count!

Pair your pH Pen with the Bluelab pH Probe Care Kit for long-lasting accuracy