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Radium 250watt SE 20000K Bulb Phoenix 150 Watt MH HQI 14000K DE Bulb GFO High Capacity - Granular Ferric Oxide - 32oz (1.75 lbs.)
The German-made Radium 20,000K bulb is a legend in the reefkeeping hobby.  You will not have to look very hard to find a legion of reef aquarists that swear by this bulb.  For decades this bulb illuminated some of the most incredible show tanks in the world.  This metal halide bulb is the perfect blend of intensity and aesthetics with a long track record of promoting coral growth and color. The Phoenix 150 Watt Metal Halide HQI 14000K DE Bulb emits a crisp white light with a blueish tint that brings out the color of you fish and coral in your reef or saltwater aquarium.



Granular Ferric Oxide (GFO) is a chemical filter media that inhibits algae growth in reef aquariums by removing phosphate from the water column.  There are two types of GFO that Advanced Reef Aquarium carries, a standard absorption variety and a special high capacity variety that roughly has twice the absorption power.
ROX 0.8 Premium Aquarium Carbon - 32oz GFO Granular Ferric Oxide - 32oz (1 lb.) ATI 48" Blue Plus T5 Bulb -54W
ATI 48" Blue Plus T5 Bulb - 54W

Our Price: $21.95


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Activated Carbon is a chemical filtration media that is very well suited to remove dissolved organic compounds. Regular use of activated carbon will keep your water looking crystal clear and free from any foul odors. Granular Ferric Oxide (GFO) is a chemical filter media that inhibits algae growth in reef aquariums by removing phosphate from the water column.  There are two types of GFO that Advanced Reef Aquarium carries, a standard absorption variety and a special high capacity variety that roughly has twice the absorption power. Blue Plus
The ATI Blue Plus is arguably the most popular bulb made by ATI and possibly anybody else for that matter. As the 20k Radium is legendary among metal halide bulbs, the ATI Blue Plus is exalted in much the same way among T5 fluorescents bulbs. It is a very aesthetically pleasing bulb that does a great job showing off the fluorescence in coral.