Taylor R-1099-07-E Buffer Solution pH 7.0 16 oz Bottle If you’re dedicated to monitoring and refining water quality using products you can trust, and you’re looking for unparalleled customer service and support, then Taylor water test kit reagents are the premier choice. Committed to providing superior, innovative products, Taylor’s chemists are continually working to develop reagents to meet your testing needs. Choose from a vast array of reagents, in sizes that fit your needs.