This high-quality buffer solution is exactly what you need for precise pH measurements. Made by Fisher Chemicals, this 1L volume Phthalate buffer solution is ready to use and is traceable to NIST standards. It is perfect for use in hydroponics, gardening, and patio applications. With a pH value of 4, this buffer solution is suitable for a wide range of pH measurements and adjustments. It comes with the assurance of Fisher Chemicals' quality and reliability. This buffer solution is an essential addition to your toolkit if you wish to achieve accurate pH measurements without worrying about the condition of the solution.
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