High-purity applications, such as for window cleaning, pharmaceuticals, or lab use, often require (e.g., ASHAION MB 115 or ASHAION MB 300
If high iron levels are your main concern, specialized resins like CN8-F are more appropriate than standard softening resins. Ultrapure Water Production: buy ion exchange resin
For removing specific harmful anions like nitrates, sulfates, or fluorides, you will need an anion exchange resin . such as for window cleaning
Use cation exchange resin (like CG8 ). This is the most common residential use, replacing calcium and magnesium with sodium ions to prevent scale buildup. or lab use