Aquatic Life RO Buddie Color Changing Mixed Bed Resin Deionization Filter Cartridge Skimmer Each side stores two liters

Each side stores two liters (2L) of fluid

It's an economical alternative to a calcium reactor

the monitored dosing of NO3:PO4-X biologically reduces both nitrate and phosphate

Twist-In Design - Translucent Housing - Prevents Leaks

Aquatic Life RO Buddie Color Changing Mixed Bed Resin Deionization Filter Cartridge Skimmer Each side stores two litersRO 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.