Hach dilution water for microbiological testing is available in premixed bottles or concentrated powder pillows. Premixed bottles are sterile and ready to use. Convenient powder pillows must be combined with deionized water. Each powder pillow makes 1 liter.
Items sold by USABlueBook are intended for use only by professionals in the water and wastewater treatment industry. Many items sold by USABlueBook require supplemental training, licenses or permits for proper use and may be harmful if not used properly.