AquaMaxx Phosphate Out Granular Ferric Oxide Filter Media GFO - 1/4 Gallon (1 lb)

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AquaMaxx

AquaMaxx Phosphate Out is a granular ferric oxide adsorptive filter media that removes phosphate from aquarium water. Phosphate is a fuel for algae growth and can also inhibit a coral`s ability to utilize calcium in water. Phosphate Out does not leach phosphate back into aquarium water after it has been absorbed by the media.

For best results, use AquaMaxx Phosphate Out inside a canister, hang-on back or other aquarium filtration system. Using a filter media bag is strongly recommended.

Phosphate Out can also be used in fluidized (up-flow) media reactors. A ball valve is required to regulate a slow flow rate through the filter to prevent granules from becoming pulverized.

1/4 gallon = 1 quart = 4 cups of media

Dosage

  • Rinse before use.
  • Use 1/4 to 1/2 cup per 50 gallons for saltwater aquariums.
  • Test phosphate levels and replace media when levels begin to rise (approximately every 1-3 months).
  • As with all ferric oxide media, alkalinity levels may drop when used. Be sure to monitor alkalinity and adjust as needed


Reef Chemistry Calculator

Use our chemistry calculator to find out how much you need to add to your aquarium.






Manufacturer Info

AquaMaxx
AquaMaxx is a Southern California-based aquarium supply company that entered the market in mid-2008 with a line of affordable metal halide bulbs. The brand quickly gained recognition as word spread about the high quality and low cost of their lamps. In 2009, AquaMaxx released a line of aquarium filter socks and, in early 2010, unveiled an assortment of high-performance protein skimmer accessories and upgrades.


Warranty

AquaMaxx Limited Manufacturer Warranty
AquaMaxx will warrant all AquaMaxx products to be free from manufacturing defects for one year from the original purchase date when purchased through an authorized AquaMaxx retailer. This warranty does not cover any damages caused by misuse, neglect, alterations or improper handling/transport/maintenance/installation. AquaMaxx does not cover personal injury, personal loss, or other damages associated with the use of these products.

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“Working great”
5.0

I added the product a week ago and phosphates are almost to 0 great product at good price

  • 1
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“AquaMaxx Phosphate Out Granula”
5.0

Wow, what a relief ! Bought GFO after reading Reef Central. Took Three and a half weeks after usage, my hair algae has almost gone. Tried reducing light intensity and even turned off the LED for 3 straight days, covered entire tank from the outside,nothing worked.

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“Works Great”
5.0

I mix carbon and AquaMaxx Phosphate GFO in my AquaMaxx FR-S Internal GFO Carbon and Biopellet Filter Media Reactor with Sicce Pump 70% Carbon and 30% GFO (fill the tube) My Coralife Biocube 29 never go higher than 0.25 the Phosphate and Ammonia. Ammonia usually 0 and I feed a lot my feed and aquari...Read More

  • 1
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“Excellent”
5.0

Put 2 cups in my reactor and phosphates dropped with in 24 hours

  • 1
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“Sucks Phosphates Out!”
5.0

I was running biopellets for months and somehow, my phosphates levels stays around .36 to .20. I used this product and within 2 days, my reading went to 0! Highly recommend this product and I am in the process of ordering this product again!

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“awesome”
5.0

works from day one I could tell a difference. If you have algae you need this and its so simple.

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“Phosphates Dropping!!”
4.0

I recently moved from Salt Lake City to Boise. Since I didn't have RO water ready at my new place, I was obligated to use municipal tap water. Phosphates shot up to 6.0!! The GFO in my media reactor is bringing these levels down QUICKLY! Will purchase again.

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