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On Sale 15%
7" x 32" 100 Micron Polyester Filter Sock w/ Draw String - ReefH20
All Misc Brands$9.99$8.497″ x 32″ 100 Micron Polyester Filter Sock W/Draw StringMicron Rating: 100Size: 7.06 x 32” Thick floss material ideal for removing small particles Draw String easily attaches directly to plumbing Felt Filter Socks are commonly... -
On Sale 15%
Circular Filter Sock 7" 300 Micron (3 Pack) - Eshopps
Eshopps$35.98$30.58Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these... -
On Sale 15%
TWIN PACK - Chemi-Pure Elite (11.74 oz) - Boyd
Boyd$28.99$24.64Chemi-Pure Elite adds ferric oxide to the original Chemi-Pure formula to also remove phosphates and silicates, making it the only complete choice for filtering any kind of aquarium. With Chemi-pure Elite, we have taken the next step in keeping Chemi-pure... -
On Sale 15%
7" x 16" 100 Micron Polyester Filter Sock w/ Draw String
All Misc Brands$6.99$5.947″ x 16″ 100 Micron Polyester Filter Sock W/Draw StringMicron Rating: 100Size: 7.06″ x 16.5” Thick floss material ideal for removing small particles Draw String easily attaches directly to plumbing Felt Filter Socks are... -
On Sale 15%
ROWAphos GFO Phosphate Removal Media (500 g/ 1 LB) - D-D The Aquarium Solution
D-D Aquatics$32.49$27.62Rowaphos 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 specifically produced for efficient removal of phosphates,... -
On Sale 15%
Filter Sock 100 Micron Welded (7" x 16") - Seachem
Seachem$8.59$7.30Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when left unchecked. This makes Seachem Filter Socks an... -
On Sale 20%
Nano-Tech Bio-Block (4" x 4" x 1") - Maxspect
Maxspect$17.99$14.39Maxspect’s Nano-Tech Bio-Blocks are a durrable dense arangement of small spheres creating an ultra-high surface area media which reduces the volume of biomedia actually required for efficient nutrient cycling in both fresh and saltwater... -
On Sale 15%
Single Rectangle Filter Sock 7" 300 Micron - Eshopps
Eshopps$14.98$12.73Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these... -
On Sale 15%
MarinePure Biofilter 1.5" Spheres (2 Quart) - Cermedia
Cermedia$28.89$24.561½" Spheres Designed for Ammonia and Nitrite Removal One MarinePure Sphere has the same surface area as 1,350 plastic 1.5" bio-balls. Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock... -
On Sale 15%
7" x 16" 200 Micron Polyester Filter Sock w/ Draw String
All Misc Brands$6.99$5.947″ x 16″ 200 Micron Polyester Filter Sock W/Draw StringMicron Rating: 200Size: 7.06″ x 16.5” Thick floss material ideal for removing small particles Draw String easily attaches directly to plumbing Felt Filter Socks are... -
On Sale 15%
MarinePure Biofilter Block (8 x 8 x 4) - Cermedia
Cermedia$51.84$44.068x8x4" Block Ammonia, Nitrite and Nitrate Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates... -
On Sale 15%
Xport NO3 Dimpled Brick - 9" x 4.50" x 2.50" - Brightwell Aquatics
Brightwell Aquatics$50.43$42.87Xport-NO3 Ultra-activated Denitrification Media with Superior Performance Characteristics. Overview: Utilizes NanoIntelex Technology to create an enhanced, "ultra-activated" material with the capacity to outperform conventional denitrification media... -
On Sale 15%
Matrix (1 L) - Seachem
Seachem$12.75$10.84Matrix™ is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix™ is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix™ provides as much surface (>~700 m2) as... -
On Sale 12%
Max Nano 225 Micron Thin Mesh Filter Sock (2 Units) - Red Sea
Red Sea$10.99$9.67225 Micron Replacement Filter Sock for the Red Sea Max Nano -
On Sale 12%
NO3 : PO4-X NOPOX - Nitrate & Phosphate Reducer (5 Liter / 1.32 Gallon) - Red Sea
Red Sea$129.00$113.52NO3:PO4-X Contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon: Nitrogen: Phosphorus ratio required for each stage. The... -
On Sale 15%
Poly Fiber Media Pad 10x18" - Acurel
All Misc Brands$9.49$8.07Like all our media pads, our long-lasting polyfiber material is up to twice as thick and is much more rigid than competing pads, enabling them to fit tighter, hold their shape longer, filter more effectively, and last longer.These pads will:•... -
On Sale 15%
Circular Filter Sock 4" 300 Micron (3 Pack) - Eshopps
Eshopps$32.98$28.03Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these... -
On Sale 15%
Bulk Aquarium Large Particle Carbon - Calgon (1 Gallon - 3 lbs)
Kolar Labs$28.99$24.64We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for aquariums. This laboratory grade granular... -
On Sale 12%
Max Nano 100 Micron Thin Mesh Filter Sock (2 Units) - Red Sea
Red Sea$10.99$9.67100 Micron Replacement Filter Sock for the Red Sea Max Nano -
On Sale 20%
NUVO Aquarium 200 Micron Filter Sock w/Holder (Midsize) - Innovative Marine
Innovative Marine$12.99$10.39Instantly improve your water quality with our all new 200 Micron Water Polishing Filter Socks. These highly durable mechanical filters contain 200 microns that serve to trap uneaten food, free floating particulate matter, micro-bubbles, and even dust... -
On Sale 15%
CDX Carbon Dioxide Adsorption Media (750 ml) - Two Little Fishies
Two Little Fishies$22.29$18.95CO2 adsorbing media for PhosBan Reactor or similar aquarium reactors Innovative media helps keep pH-lowering CO2 out of your aquarium Replace exhausted aquarium media when it changes color to violet Tackle pH management at the source for water... -
On Sale 15%
ROWAphos GFO Phosphate Removal Media (5kg Bucket) - D-D The Aquarium Solution
D-D Aquatics$169.99$144.49Rowaphos 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 specifically produced for efficient removal of phosphates,... -
On Sale 15%
4" High Flow Filter Media Cup (CLEAR) - Generic
SaltwaterAquarium$12.99$11.044" Filter Media Cup Our 4" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the... -
Phosphat-E-Liquid Phosphate Remover 250 ML -Brightwell
$18.95Overview Begins to eliminate reactive phosphate immediately upon addition to aquarium. Safe for all inhabitants of reef and marine fish-only aquaria. Each ml eliminates 1 ppm phosphate in 4 US-gallons of water(250 ml treats 1,000 US-gal). Helps... -
On Sale 15%
FritzZyme #9 Saltwater (32 oz) - Fritz Aquatics
Fritz Aquatics$19.99$16.99FritzZyme 9 contains saltwater specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally establish colonies in new aquariums while ammonia and... -
On Sale 15%
PRO-CARBON Activated Carbon (4000 ml) - Polyplab
PolypLab$42.99$36.54High performance activated carbon for crystal clear water in fresh-water and salt-water aquariums. PolypLab Pro Carbon is is an ultra high performance activated carbon manufactured under the most strict quality controls. Pro CarbonL - Highly... -
On Sale 15%
MarinePure Biofilter Plate (8 x 8 x 1) - Cermedia
Cermedia$28.04$23.838x8x1" Plate Ammonia, Nitrite and Nitrate Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates... -
On Sale 15%
Bulk GFO Phosphate Reducer (1 lb)
Kolar Labs$39.68$33.73This 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 skeleton in corals. There are several different methods for... -
On Sale 15%
Carbon Media Pad 10x18" - Acurel
All Misc Brands$9.49$8.07Like all our infused media pads, our long-lasting polyfiber material is up to twice as thick and is much more rigid than competing pads, enabling them to fit tighter, hold their shape longer, filter more effectively, and last longer.These pads... -
EVO | SPEC | FLEX Activated Carbon (3 Pack) - Fluval
Fluval$4.99Specifically designed for Fluval Spec / Flex / EVO Desktop Aquariums, this premium, activated carbon provides critical stage-2 chemical filtration. The research grade carbon has large amounts of surface area for the adsorption of impurities. It... -
Phosphat-E-Liquid Phosphate Remover 500 ML -Brightwell
$32.95Overview Begins to eliminate reactive phosphate immediately upon addition to aquarium. Safe for all inhabitants of reef and marine fish-only aquaria. Each ml eliminates 1 ppm phosphate in 4 US-gallons of water(250 ml treats 1,000 US-gal). Helps... -
On Sale 15%
CupriSorb (250mL) - Seachem
Seachem$19.34$16.44CupriSorb™ is a narrow spectrum, synthetic adsorbent based filter material for removing copper and heavy metals from either freshwater or marine water. It extracts all types of copper, including chelated copper, and remains effective until it turns... -
On Sale 15%
(THREE PACK) Purigen Bagged (100 mL) - Seachem
Seachem$31.14$26.47Triple Pack - Three Purigen 100 ML Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes... -
On Sale 20%
Nano-Tech Bio-Spheres (1Kg / 2.2lbs) - Maxspect
Maxspect$27.49$21.99Each Sphere has a surface area of 580ft2 - 20 Spheres is roughly equivalent to 40+ pounds of Live Rock! Ultra-Compact Biological Filtration Media Maxspect’s Nano-Tech BioSpheres are a durable dense arrangement of smaller... -
On Sale 15%
Bulk Aquarium Large Particle Carbon - Calgon (1/2 Gallon - 1.5 lbs)
Kolar Labs$15.99$13.59We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for aquariums. This laboratory grade granular... -
On Sale 15%
PRO-CARBON Activated Carbon (1000 ml) - Polyplab
PolypLab$19.99$16.99High performance activated carbon for crystal clear water in fresh-water and salt-water aquariums. PolypLab Pro Carbon is is an ultra high performance activated carbon manufactured under the most strict quality controls. Pro CarbonL - Highly... -
On Sale 15%
MAXOUT PRO Saltwater Filter Media + Phosphate Remover (16 oz) - Fritz
Fritz Aquatics$19.99$16.99There are many benefits of using MAXOUT PRO. MAXOUT PRO removes toxins, metals and odors in the water column. High capacity carbon removes organics and polishes aquarium water. Proprietary resins unique to the MAXOUT PRO blend... -
On Sale 15%
7" High Flow Filter Media Cup (CLEAR) - Generic
SaltwaterAquarium$26.99$22.947" Filter Media Cup Our 7" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the... -
On Sale 15%
(2 Pack) Super Sacks 5" x 9" Premium Aquarium Filter Bags w/Drawstring - Fritz
Fritz Aquatics$5.59$4.75Fritz Super Sacks are premium quality refillable and reusable mesh bags suitable for most types of media - customize your filter media and drop it in to your system with no mess. The 5” x 9” size can hold up to 0.5 L of media. Fritz Super... -
On Sale 15%
Boyd's Chemi-Pure (10 oz) - Boyd
Boyd$9.95$8.46Chemi-pure can be used with all water types as a chemical absorption filter and ion generator and exchange unit to positively keep pH at a perfect constant level. Also fantastic for use with African Cichlids and Discus! Needs replacement only every six...