The ResinTech AF-20-3231 cartridges contain pure calcium carbonate (Calcite) media. Calcite dissolves slowly and provides gradual pH correction for moderately acidic water (pH 6.0-6.9), making it ideal for applications where controlled, steady neutralization is needed without risk of over-correction. The 100% Calcite formula is particularly effective for raising pH while adding beneficial calcium minerals to the water. Sized to fit standard Slimline and Big Blue housings.
Specifications:
- Made in USA
- Materials are FDA CFR-21 and/or NSF compliant
- Dimensions: 20″ x 2.5″
- Filter Application: pH Correction
- Filter Media: Calcite
- Operating Pressure: 20-125 psi
- Temperature Rating: 40-100°F
