The Catalytic carbon will replace the 5 micron carbon block and is followed by a 1 micron or less filter before entering the membrane stage

Output : 2

Ideal for reefkeepers and labs needing up to 50 Gallons of ultrapure Zero TDS RODI water a month

In reality

Better and cheaper water for the store and your customers

Neptune Filter Pack with DI Tubing The Catalytic carbon will replaceNeptune Filter Pack with DI Replacement Filter Pack and DI pack for Neptune: 1) Ten Micron Sediment, 1) Five Micron Carbon Block or catalytic carbon, 1) One Micron Carbon Block and 3) Nuclear Grade Color Changing DI Resin cartridges. *Upgrading to a Catalytic Carbon stage removes on average 5 times more Chloramines than any carbon block on the market (including the ones specifically designed to "bust" chloramines). The option above adds Catalytic