pH Calibration Solution Kit

Achieve high-precision pH calibration with our pH Calibration Solution Kit, designed for professional and hobbyist use in aquariums, hydroponics, aquaponics, fertilizer testing, and drinking water analysis. This laboratory-grade kit includes pH 4.00, 7.00, and 10.01 buffer solutions, ideal for calibrating digital pH meters, pH pens, and pH electrodes.

Unlike single-use powder packets, our pre-mixed, color-coded pH buffer liquids are sealed in durable bottles for reliable, mess-free calibration. Each bottle is pre-measured to 50 mL at 25°C (77°F) with an accuracy of ±0.05 pH, ensuring stable and reproducible readings every time.

📦 Why Users Prefer Us:

Easy-to-use – Just open and calibrate, no mixing required.

Accurate and stable – Ensures calibration confidence for sensitive applications.

Eco-conscious design – Reusable packaging, less waste.

Product Type:
pH Calibration Solution (pH 4.00 / 7.00 / 10.01)
Electrode Protection Solution (KCL Solution)

Packaging Specifications:
Volume per bottle: 50 mL (1.7 fl oz)
Sealed bottle for easy storage and carrying

Calibration Solution pH Accuracy:
±0.05 pH (@25°C / 77°F)

Using Temperature Range:
5°C to 60°C (41°F to 140°F)

• Hydroponics
• Aquariums
• Drinking Water
• Pool
• Fertilizer Solutions
• Aquaponics

Shipping Policy

• Orders are processed within 1-2 business days (excluding weekends and holidays).
• Free shipping is available for the United States, select European countries, and various Asian regions, with a delivery timeframe of 7-20 business days.
• Duties and taxes are not included and will be collected by the carrier at delivery.
• Upon shipment, you’ll receive a tracking number via email for real-time updates.

Return Policy

• We offer a 7-day return policy, starting from the day you receive your item.
• Items must be unused, in their original condition with tags and packaging, and accompanied by proof of purchase.

Shipping Costs for Returns:

• Quality Issues: We cover the return shipping costs.
• Personal Reasons: Customers cover the return shipping costs.

Non-Returnable Items:

• Used or worn products.
• Sale/discounted/promotional items.
• Gift cards.

Refund Process:

• Refunds will be processed through your original payment method within 5-8 business days after approval.