General Hydroponics Standard Reference Solution 4.01 / 7.0 pH Calibration Solution

General Hydroponics pH Calibration Solution is a premium standard reference liquid designed to help you accurately calibrate your pH meters and ensure reliable nutrient monitoring for healthy plant growth. Ideal for gardeners growing vegetables, herbs, and indoor plants, this solution supports precise pH measurement—key for optimizing nutrient uptake in soil, coco, or hydroponic systems.

Available in pH 4.01 or pH 7.0 formulas, these calibration solutions are compatible with most popular pH meters using the NaCl or 442 scale.

🧪 Key Benefits:

• High-quality, laboratory-tested calibration solutions for consistent accuracy

• Supports precise calibration of pH meters to maintain ideal nutrient solution pH (typically 5.5–6.5)

• Helps ensure optimal growing conditions for vegetables, herbs, and flowering plants

🔧 How to Use:

• Use to calibrate pH meters regularly according to the device instructions

• Store electrodes properly using calibration solution to maintain accuracy

• Choose the pH 4.01 or 7.0 solution depending on calibration needs

📦 Product Info:

• Available in 8 oz (237 ml) or 60 ml bottles

• Imported from the USA

• Compatible with a wide range of popular pH meters and testing systems

✅ Safe for Use With:

• Vegetables, leafy greens, herbs, and indoor flowering plants

• Soil, coco, hydroponic, and container gardens

• Home gardeners and professional growers seeking precise nutrient control

Maintain accurate pH readings for a thriving garden with General Hydroponics pH Calibration Solution — now available at Turf Hydroponics Philippines.