Experienced and new aquarium keepers alike love our products

DI or RO water

39 watt lamp

NOTE:> When it comes to rejection and flow

ED - EXTRA DUTY REVERSE OSMOSIS UNIT 10" Experienced and new aquarium keepersEXTRA DUTY (ED) 5 STAGE 50 GPD RO SYSTEM DESCRIPTION Our Extra Duty (ED) WaterCop 5 stage family drinking water RO system is preconfigured with the best 99. 9% rejection rate 50 GPD FilmTec membrane you can buy with the same lab grade prefilters we use in our lab grade RODI systems. This system includes a non electric permeate pump that increases your water pressure by 50%, provides 50% less drain water and makes your RO drinking water more pure. 5