used for about 3 months. Brand new membrane. Upgraded to their 1:1 waste unit. TDS monitor built in. Solid Unit
More info here:
http://www.reefgeek.com/care_&_maintenance/Water_Purifiers/Aqua-FX_RO_Water_Filters/Mako_5-Stage_RO!DI_w!_TDS_&_Flush_Kit_-_75_gpd_by_Aqua-FX
More info here:
http://www.reefgeek.com/care_&_maintenance/Water_Purifiers/Aqua-FX_RO_Water_Filters/Mako_5-Stage_RO!DI_w!_TDS_&_Flush_Kit_-_75_gpd_by_Aqua-FX
