pH 4 Buffer Solution, Color Coded Red, pH Calibration Solution, 3.8 liters, 1 Gallon, NIST Traceable Reference Standard, Work with All pH Mater, Made in The USA

When it comes to our customer’s satisfaction, there’s no room for compromise. Our products are guaranteed to deliver beyond your expectations. Why is this product for you?You can use this buffer with virtually all pH meters to calibrate the solution and find out its pH with accuracy. It is color coded blue and ships in a gallon bottle labeled with the pH vs. temperature tables for accurate calibration reference.Some of the amazing features of this product:Quantity: 3.8 Liters (1 Gallon)Color-coded blueHeavy-duty containerNIST traceable reference standardWorks with all pH metersMade in the USA

• OPTIMAL CHOICE: The ACME pH Buffer Solution is essential for measuring the pH level of any substance with a meter and electrode. This professionally-made pH buffer is stable and resistant to change, so you can obtain accurate results every time.
• READY TO USE LIQUID: Our pH Calibration Solution is ready to use and does not require dilution. It is formulated with potassium phosphate, monobasic and sodium phosphate.
• PREMIUM PACKAGING: The product comes in a heavy-duty gallon container. No need to worry about leakage during shipping. Each gallon will have a lot number and expiration date.
• QUALITY STANDARD: All of our pH buffers are traceable to NIST (National Institute of Standards and Technology, USA)
• UNIVERSAL SOLUTION: The gallon calibration solution can be used with all pH meters. It is color coded red and has a +/- 0.02 at 25-degrees C.