Aquatic Life RO Buddie Color Changing Mixed Bed Resin Deionization Filter Cartridge Skimmer While low nitrate levels are

While low nitrate levels are desirable to avoid algae outbreaks and coral browning

Designed for Ammonia and Nitrite Removal

there is no excess CO2 and there is no risk of unwanted phosphates being introduced through the dissolution of coral rubble

ridding the use of hoses or valves

It's an economical alternative to a calcium reactor

Aquatic Life RO Buddie Color Changing Mixed Bed Resin Deionization Filter Cartridge Skimmer While low nitrate levels areRO BUDDIE COLOR CHANGING MIXED BED RESIN DI FILTER CARTRIDGE: Replace filter when resin changes color completely to amber. When all resin has changed color, it is time to replace the DI filter. Each DI Cartridge includes two clips that allow the cartridge to attach to the front of the membrane housing. Item 330242.