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News & Information (2)
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GFO - Grandular Feric Oxide - Do I Need It?(Post)
High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium skeleton in corals. There are several diffe ...
GFO - Grandular Ferric Oxide(Page)DETAILED INSTRUCTIONS: 1) Standard Starting dose is 1 gram/gallon: best in fluidized reactor. EXAMPLE: 8 grams= 1 level tablespoon, 16Tbsp=1 cup. 1 cup per 128 gallons to start, 1 cup pe ...
Products (91)
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Bulk GFO Phosphate Reducer 5 Gallon Bucket (20 lbs)
Kolar Labs$508.02This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk Super GFO High Capacity Phosphate Reducer 5 Gallon Bucket (35 lb)
Kolar Labs$1,398.77This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
Bulk GFO Phosphate Reducer (2 lbs)
Kolar Labs$71.43This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk GFO Phosphate Reducer (1 lb)
Kolar Labs$39.68This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk GFO Phosphate Reducer (4 lbs)
Kolar Labs$119.06This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk Super GFO High Capacity Phosphate Reducer (1.5 lb)
Kolar Labs$84.60This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
Bulk Super GFO High Capacity Phosphate Reducer (3.3 lb)
Kolar Labs$143.32This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
Bulk Super GFO High Capacity Phosphate Reducer (7 lb)
Kolar Labs$286.64This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
Bulk GFO Granular Ferric Oxide (1/4 Gallon - 1 lbs) - Bulk Reef Supply
Bulk Reef Supply$39.68Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works great in filter socks and reactors. For the price Standard Granular GFO is going to... -
Bulk GFO Granular Ferric Oxide - High Capacity (1 Gallon) - Bulk Reef Supply
Bulk Reef Supply$286.64Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works even better in reactors due to it being denser than most other GFO. The price is just... -
Bulk GFO Granular Ferric Oxide (1 Gallon - 4 lbs) - Bulk Reef Supply
Bulk Reef Supply$119.06Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works great in filter socks and reactors. For the price Standard Granular GFO is going to... -
Bulk GFO Granular Ferric Oxide - High Capacity (1/4 Gallon) - Bulk Reef Supply
Bulk Reef Supply$84.60Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works even better in reactors due to it being denser than most other GFO. The price is just... -
Bulk GFO Granular Ferric Oxide (1/2 Gallon - 2 lbs) - Bulk Reef Supply
Bulk Reef Supply$71.43Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works great in filter socks and reactors. For the price Standard Granular GFO is going to... -
Bulk GFO Granular Ferric Oxide - High Capacity (1/2 Gallon) - Bulk Reef Supply
Bulk Reef Supply$143.32Phosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works even better in reactors due to it being denser than most other GFO. The price is just... -
Media Reactor MR-30 GFO Carbon Pellets Includes Pump - Aquatop
Aquatop$104.99Maximize your aquarium's filtration potential with the Aquatop MR-30 Multimedia Reactor. This high-performance reactor is specifically engineered to eliminate "channeling"—a common issue where... -
Media Reactor MR-20 GFO Carbon Pellets Includes Pump - Aquatop
Aquatop$71.99Maximize your aquarium’s clarity and health with the Aquatop MR-20 Multimedia Reactor. This compact, high-efficiency filtration system is designed to provide professional-grade water polishing... -
AF Phosphate Minus GFO (1000 mL) Dust Free Prewashed - Aquaforest
Aquaforest$32.99An efficient medium for fluidization filters. Dosing too much food and supplements can lead to high phosphate levels. Due its unique properties, Phosphate Minus effectively reduces phosphate and... -
ROWAphos GFO Phosphate Removal Media (250 g) - D-D The Aquarium Solution
D-D Aquatics$21.99Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material... -
ROWAphos GFO Phosphate Removal Media (100 g) - D-D The Aquarium Solution
D-D Aquatics$14.49Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material... -
ROWAphos GFO Phosphate Removal Media (5kg Bucket) - D-D The Aquarium Solution
D-D Aquatics$169.99Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material... -
ROWAphos GFO Phosphate Removal Media (1000 g/ 2.2 LBS) - D-D The Aquarium Solution
D-D Aquatics$49.99Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material... -
ROWAphos GFO Phosphate Removal Media (500 g/ 1 LB) - D-D The Aquarium Solution
D-D Aquatics$32.49Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material... -
PhosNet (250g) - Seachem
Seachem$33.47PhosNet™ is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and... -
PhosNet (500g) - Seachem
Seachem$65.06PhosNet is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and will... -
PhosNet (50g) - Seachem
Seachem$11.71PhosNet™ is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and... -
PhosNet (125g) - Seachem
Seachem$18.83PhosNet™ is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and... -
MagFox Magnetic Hose Cleaning Brush - Two Little Fishies
Two Little Fishies$12.96The MagFox uses magnetic attraction to propel a small brush inside aquarium hoses and pipes, allowing it to clean away algae and other deposits that block the water flow. -
Liquid Phosban-L (500 ml) - Two Little Fishies
Two Little Fishies$26.63Got a little phosphate problem? You can solve that in a hurry with PhosBan GFO granular ferric oxyhydroxide. But if your phosphate problem is more than 0.5 ppm you can use our new little solution,... -
MR DUAL - Independently Controlled Dual Chamber Media Reactor – Spectrapure
Spectrapure$109.99These are completely different then the current inline stuff that's available from a competitor. These have independent flow controls on each chamber which allows you to tweak the flow rate for... -
Liquid Phosban-L (1 Gallon) - Two Little Fishies
Two Little Fishies$100.86Got a little phosphate problem? You can solve that in a hurry with PhosBan GFO granular ferric oxyhydroxide. But if your phosphate problem is more than 0.5 ppm you can use our new little solution,... -
4” x 8” Mesh Media Bag with Draw String - Bulk Reef Supply
Bulk Reef Supply$7.19Mesh Media Bags are used to hold media like carbon, GFO or any other loose media. The mesh bags allow for flow through the media while keeping the loose media contained. By strategically placing the... -
Apex FMM Flow Sensor – 1/2″ (FS-50) w/Unions - Neptune Systems
Neptune Systems$49.99Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex... -
MR DUAL w/Sicce 1.5 Pump - Independently Controlled Dual Chamber Media Reactor – Spectrapure
Spectrapure$139.99These are completely different then the current inline stuff that's available from a competitor. These have independent flow controls on each chamber which allows you to tweak the flow rate for... -
NUVO PurityPack Replacement Filter Media (Midsize) - Innovative Marine
Innovative Marine$18.00NUVO PurityPack: Replacement Filter Media [Midsize] (2) High Performance Fiber Balls (2) High Capacity Coarse Granular Ferric Oxide Pouches (2) Premium ROX 0.8 Carbon Pouches Fits: Fusion 30,... -
NUVO PurityPack Replacement Filter Media (Fullsize) - Innovative Marine
Innovative Marine$24.00NUVO PurityPack: Replacement Filter Media [Fullsize] (3) High Performance Fiber Balls (3) High Capacity Coarse Granular Ferric Oxide Pouches (3) Premium ROX 0.8 Carbon Pouches Fits: SR 60, SR... -
NUVO PurityPack Replacement Filter Media (Desktop) - Innovative Marine
Innovative Marine$12.00NUVO PurityPack: Replacement Filter Media [Desktop] (1) High Performance Fiber Ball (1) High Capacity Coarse Granular Ferric Oxide Pouch (1) Premium ROX 0.8 Carbon Pouch Fits: Fusion 10, Fusion... -
Turbo Reactor X-Large Side Flow Quiet One 4000 (250 - 850 Gal) - Lifegard
Lifegard$356.00All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing bacteria and Enzymes. They name TURBO is due to a unique high... -
Turbo Reactor Medium Side Flow Quiet One 800 (75 - 150 Gal) - Lifegard
Lifegard$142.88All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing bacteria and Enzymes. They name TURBO is due to a unique high... -
Turbo Reactors Large Side Flow Quiet One 1200 (150 - 250 Gal) - Lifegard
Lifegard$214.32All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing bacteria and Enzymes. They name TURBO is due to a unique high... -
Turbo Reactors Nano Side Flow Quiet One 400 (up to 75 Gal) - Lifegard
Lifegard$125.02All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing bacteria and Enzymes. They name TURBO is due to a unique high...
Featured Products
Pro Reef Salt 2 kg (16 Gallon) - Tropic Marin
Tropic Marin
$18.99
Tropic Marin Pro-Reef Sea Salt
At a Glance
The Gold Standard for Modern Reef Keeping.
Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered specifically for reef aquariums...
2.75" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$32.95
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 2.75 Inch Silencer is the ultimate...
4" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$44.95
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...
84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Full Package - Fiji Cube
Fiji Cube
$4,499.99
Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...
84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Fiji Cube
Fiji Cube
$3,999.99
Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...
Small-In-One Nomad Portable Traveling Aquarium (0.5 Gallon) - PNW Custom
PNW Custom
$349.99
0.5 Gallon Fully Sealed Traveling Aquarium
The world’s first fully sealed traveling aquarium.
The Small-In-One Nomad is a compact 0.5-gallon aquarium designed for safely transporting and displaying...
ION-B ALK/pH+ Liquid (5000 mL) Base 2 Part - NYOS
NYOS
$59.99
Balanced Alkalinity Support for Modern Reef Tanks
Pre-Mixed, Ready-to-use Solution
Increases Alkalinity and Stabilizes pH
Also Contains Sulfate, Bromine and Fluorine for Ion...
ION-B CA/MG+ Liquid (5000 mL) Base 2 Part - NYOS
NYOS
$59.99
Balanced Calcium and Magnesium Support for Modern Reef Tanks
Pre-Mixed, Ready-to-use Solution
Increases Calcium and Magnesium
Also Contains Strontium, Potassium, and Boron for Ion...
Nitrate Minus (1000 ml) - NYOS
NYOS
$39.99
Achieve Near-Detection-Limit Water Purity
Nyos® Nitrate Minus is a high-purity, innovative solution designed to biologically reduce nitrate levels in marine and fresh
MEGA Filtra 950 SDC Aquarium Canister Filter Up to 250 Gal (568 gph) - Sicce
Sicce
$499.99
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy-duty
MEGA Filtra 900 Aquarium Canister Filter Up to 240 Gal (410 gph) - Sicce
Sicce
$349.99
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy
MEGA Filtra 650 Aquarium Canister Filter Up to 170 Gal (380 gph) - Sicce
Sicce
$299.99
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy
Hydra Edge 44 HD Saltwater Aquarium Light - AquaIllumination
AquaIllumination
$399.99
The AI Hydra Edge represents significant improvements to the Hydra lighting platform now with 95 Watts, Controllable Shimmer, 100 Degree lens, articulating mounting options and...
Radion XR30 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.99
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
Radion XR30 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.99
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
Radion XR15 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$529.99
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
Radion XR15 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$529.99
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...