Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Water contaminants such as microorganisms, organic, inorganic chemicals and metals may be found in our drinking water, groundwater and waste water. These pollutants can have a serious impact on all living creatures and can negatively affect the use of water for drinking, fishing and commerce.
Maintain the safety of our water supply using Merck’s membrane filtration products. Designed to help you monitor regulatory compliance and assure you of accurate, dependable results, our certified filters and filter holders provide reliable methods for collecting and preparing environmental samples for downstream analysis.