Phosphate Adsorption Media for Fresh and Marine Aquariums
Granular Ferric Oxide commonly refereed to as GFO ideally suited for filtering out phosphate from the water column which promotes better coral growth and helps prevent algae outbreaks. This medias porous high surface area is not only ideal for binding phosphate but also silicate, arsenic and other water-staining compounds.
FEATURES
- Great for Up-flow Media Filters/Reactors
- High Capacity
- German Made Bayoxide
- Absorbs Phosphate
- Binds Silicates
- Porous Surface
Directions for use:
Rinse media briefly using RO/DI water until clear before use. Be careful not to stir or crush the media due to its fragile nature. Place media in a tightly packed media bag or preferably use an up-flow media filter/reactor. Slow flow is desired and be sure not to tumble the media. The suggested amount is 1.5-2 cups of media per 100 gallons.
Item No. FM-CV-GFO64
1 Review
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Works OK
A little different from Rowo. Lighter in color after use. Im using phosguard/carbon in left media reactor and GFO in the right. So phosphate readings went down from 1ppm to .4 with GFO. Then added chaeto in sump because reef tank used tapwater for 15 years. phosphate went to .23 Also added filter sock for 1st time. Now phosphate went to .18, should keep dropping while using GFO, Chaeto, and a little phosguard.
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CoralVue GFO 64 FL OZ. 
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