see pictures)

MBD-30 is designed to provide demineralized water with a resistivity in excess of 18

9 x 5 pound bags of Premium MBD-30 nuclear grade mixed bed DI resin

Replacement RO Membrane (every 2-5 years) : 50 GPD MEMBRANE

✔ STAGE 5 : A professionally packed full 10" Nuclear Grade Color Changing Refillable Inline DI Resin Cartridge to get down to ZERO TDS

DI Resin Cartridge 10" Color Changing Quantity ::1 see pictures)Product Description : Professionally packed standard 10" color changing deionization resin cartridge. Our mixed bed resin is ( 50% Anion 50% Cation ). The 10" cartridge is refillable. We pack 1. 25 lbs of resin in each cartridge. The resin color changes from blue to a light brown amber color when it is exhausting. Color changing resin is perfect for reef keeping as this helps you to visually keep track of the quality of your water. Typically, this