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Products (145)
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WormBitz (50 gm) - Two Little Fishies
Two Little Fishies$27.00WormBitz is a new addition to our line of single-ingredient foods for aquariums. No fillers, no additives, just freeze-dried marine polychaete worms with superior nutritional value and an aroma and... -
HydroCarbon (1 Liter) - Two Little Fishies
Two Little Fishies$21.26Granular activated carbon designed specifically for water purification. Removes dissolved organic compounds that turn the water yellow. The extremely porous granules are the optimum size for use in... -
20 lb STAX Porous Oolitic Limestone Dry Rock - Two Little Fishies
Two Little Fishies$115.88Build striking, unique aquascapes in your aquarium with Two Little Fishies STAX Aquascaping Rocks. STAX are flat, porous, oolitic limestone shapes, perfect for building layered aquascapes in marine... -
AccuraSea Natural Seawater 4.4 Gallon Premade Perfect Saltwater - Two Little Fishies
Two Little Fishies$49.99AccuraSea Natural Seawater (4.4 Gallon) The Original Formula, Straight from the Source. Take the guesswork out of reef keeping with AccuraSea Natural Seawater, the purest solution for your marine... -
LittleScrape 10.25" Algae Scraping Tool - Two Little Fishies
Two Little Fishies$44.31Each scraper comes with a set of three different blades: one thin stainless steel blade for regular algal films, one thick stainless steel blade for cutting through coralline algae, and... -
PhosBan (454 gm) - Two Little Fishies
Two Little Fishies$70.52Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances... -
Phosban (150 gm) - Two Little Fishies
Two Little Fishies$26.96Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances... -
PhosBan Reactor 150 - Two Little Fishies
Two Little Fishies$77.18The PhosBan Reactor 150 is designed with the upflow principle to achieve the most efficient use of PhosBan® or other chemical filter media. By pushing water from the bottom upward through a... -
Mega Veggie Mag - Two Little Fishies
Two Little Fishies$53.12The Mega VeggieMag for Big Fish uses extra-strong magnetic attraction instead of a suction cup to hold the SeaVeggies clip in place, for aquariums with 1/2" to 3/4" windows! It’s easy to... -
C-Balance 2 Part Supplement (32 oz Set) 2x - 16 oz Bottles - Two Little Fishies
Two Little Fishies$26.55C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts... -
Phosban (1200 gm Bucket) - Two Little Fishies
Two Little Fishies$172.16Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances... -
AlgaEraser 16" Algae Scraping Tool - Two Little Fishies
Two Little Fishies$47.48Each scraper comes with a set of three different blades: one thin stainless steel blade for regular algal films, one thick stainless steel blade for cutting through coralline algae, and... -
Marine Snow (16 oz) - Two Little Fishies
Two Little Fishies$18.92MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for... -
CoraScape Bonder (1 lb) - Two Little Fishies
Two Little Fishies$63.26Use CoraScape Bonder to quickly and easily form strong, gravity-defying and amazing aquascapes with limestone rocks such as STAX. The instant bonding is achieved when used with CoraScape Powder,... -
C-Balance 2 Part Supplement (64 oz Set) 2x - 32oz Bottles - Two Little Fishies
Two Little Fishies$31.69C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts... -
"VeggieMag" Magnetic Veggie Clip - Two Little Fishies
Two Little Fishies$24.94The VeggieMag uses magnetic attraction instead of a suction cup to hold our SeaVeggies clip in place for windows up to 3/4” thick! It’s easy to position at any level in the aquarium, and... -
C-Balance 2 Part Supplement (2 Gallon Set) 2x - 1 Gallon Bottles - Two Little Fishies
Two Little Fishies$56.55C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts... -
Marine Snow (8 oz) - Two Little Fishies
Two Little Fishies$12.88MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for... -
LittleRox - Limestone Rubble (6.6 lbs) - Two Little Fishies
Two Little Fishies$20.14LittleRox are pressure washed, natural oolitic limestone rocks from Florida. They can be used to create rubble zone on the bottom in the freshwater cichlid tanks or in the marine reef aquariums... -
C-Balance 2 Part Supplement (16 oz Set) 2x - 8.4 oz Bottles - Two Little Fishies
Two Little Fishies$13.69C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts... -
CoraScape Powder (4 kg) - Two Little Fishies
Two Little Fishies$20.79CoraScape Powder is a natural oolite sand for use when bonding dry limestone rocks to make invisible, seamless joints. -
PhosBan Reactor 550 Large - Two Little Fishies
Two Little Fishies$124.59The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan® or other chemical filter media. By pushing water from the bottom upward through a... -
Phosban Reactor Extension Kit - Two Little Fishies
Two Little Fishies$4.98PhosBan® Reactor Extension kit. This kit contains all the parts needed to make a flexible and space-saving pipe connection for installing the PhosBan Reactor 150 hanging on the back of an... -
Ball Valve 1" Tube - Two Little Fishies
Two Little Fishies$14.61THE STOCK PHOTO SHOWS AVAILABLE SIZES - THE LISTING IS FOR ONE VALVE OF SIZE MENTIONED IN THE TITLE Barbed Aquatic Ball Valves for regulating water flow through standard hose used for devices such... -
Kalkwasser Kalk Reactor 300 - Two Little Fishies
Two Little Fishies$124.59The NEW KW Reactor is designed with the upflow principle to achieve the most efficient use of Kalkwasser. By pushing top-off water upward through the calcium hydroxide, it automatically mixes... -
SeaElements Water Conditioner (250 mL) - Two Little Fishies
Two Little Fishies$23.01SeaElements Julian Sprung’s Reef Formula Independent studies show that some trace elements accumulate in home aquariums to potentially toxic levels. SeaElements avoids contributing to this... -
Ball Valve 3/4" Tube - Two Little Fishies
Two Little Fishies$9.26THE STOCK PHOTO SHOWS AVAILABLE SIZES - THE LISTING IS FOR ONE VALVE OF SIZE MENTIONED IN THE TITLE Barbed Aquatic Ball Valves for regulating water flow through standard hose used for devices such... -
LittleFeet - Frag Bases (4.4 lbs) - Two Little Fishies
Two Little Fishies$14.01LittleFeet are flat limestone bases that can be used to provide a stable footing for large corals or frags. The flat bottom makes it easy to position a coral anywhere on the bottom of an aquarium or... -
Pouch Feeder for Algae and Frozen Foods - Two Little Fishies
Two Little Fishies$24.94The NEW PouchFeeder comes complete with magnetically coupled wall attachment parts just like VeggieMag and MagFeeder. Use the perforated pouch to serve cubes or blocks of frozen foods, folded sheets... -
FloatScape Modular Hanging Aquarium System - Two Little Fishies
Two Little Fishies$452.00Modular hanging aquascape system that allows for stunning vertical coral displays. -
Zoplan Zooplankton Diet (1 oz) - Two Little Fishies
Two Little Fishies$14.38ZoPlan is a blend of dried crustaceans and other sea creatures in a size range that makes an ideal food for marine invertebrates such as soft and stony corals, seafans, anemones, zoanthids, clams,... -
LITTLE ReBorn Calcium Reactor Media (8.8 lbs) - Two Little Fishies
Two Little Fishies$43.11Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific. When dissolved,... -
Ball Valve 1/2" Tube - Two Little Fishies
Two Little Fishies$5.10THE STOCK PHOTO SHOWS AVAILABLE SIZES - THE LISTING IS FOR ONE VALVE OF SIZE MENTIONED IN THE TITLE Barbed Aquatic Ball Valves for regulating water flow through standard hose used for devices... -
CorAffix Coral Glue (2 oz) - Two Little Fishies
Two Little Fishies$14.85NEW CorAffix is an ethyl cyanoacrylate bonding compound with viscosity similar to honey. Use it for attaching stony corals, gorgonians, and other sessile invertebrates in natural positions on the... -
Ball Valve 5/8" Tube - Two Little Fishies
Two Little Fishies$5.36THE STOCK PHOTO SHOWS AVAILABLE SIZES - THE LISTING IS FOR ONE VALVE OF SIZE MENTIONED IN THE TITLE Barbed Aquatic Ball Valves for regulating water flow through standard hose used for devices... -
Julian's "Thing" Coral Feeding Tool - Two Little Fishies
Two Little Fishies$35.70Julian’s Thing® is a NEW multi-purpose device. Use it for feeding corals, for feeding anemones, for feeding zoanthids, for feeding seahorses and other timid or slow moving fishes. Use it... -
Extension Rod for LittleScrape & AlgaEraser Algae Scraping Tool - Two Little Fishies
Two Little Fishies$24.14Each scraper comes with a set of three different blades: one thin stainless steel blade for regular algal films, one thick stainless steel blade for cutting through coralline algae, 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. -
AquaStik Red Coral Epoxy (4 oz) - Two Little Fishies
Two Little Fishies$14.89AquaStik Red Coralline. Underwater Epoxy Putty for marine aquariums and reef aquariums. Color matches coralline algae and live rock. Excellent for securing rock, stony corals, gorgonians and aquatic... -
Hardscapers Coralline Stone Bonding Kit (2 oz) - Two Little Fishies
Two Little Fishies$26.98Hardscapers CS is a two-part kit that contains 2oz. of CoraScape Bonder Cyanoacrylate and 200 grams our CoraScaper Powder made from pulverized coralline-colored oolitic limestone. Also included is a...
Featured Products
7" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$74.95
Stop Washing Dirty Filter Socks Forever
Nobody likes dealing with a laundry bucket full of dirty, foul-smelling 7-inch filter socks. Traditional filter cups choke flow quickly, and automated fleece...
On Sale
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On Sale
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(OPEN BOX) MEGA Filtra 900 Aquarium Canister Filter Up to 240 Gal (410 gph) - Sicce
Sicce
$349.99
$299.99
UNUSED CUSTOMER RETURN
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series
Hammer Garden Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$249.99
Hammer Garden Colony WYSIWYG (Egg crate squares are 3/4")
If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice.
Hammer Garden Colony WYSIWYG is a...
Gold Hammer Coral Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$239.99
Gold Hammer Coral Colony WYSIWYG (Egg crate squares are 3/4")
If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice.
Gold Hammer Coral Colony...
Rainbow Bounce Mushroom WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$299.99
Rainbow Bounce Mushroom WYSIWYG (Egg crate squares are 3/4")
If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice.
Rainbow Bounce Mushroom...
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
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...
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...
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
LRS Premium Green Nori (20 Half Sheets / 1 oz) (Porphyra yezoensis) Seaweed - LRS Foods
LRS
$9.99
Give Your Fish the Purest, Most Nutritious Seaweed on the Market!
20x 1/2 Sheets 7.5" x 4"
Introducing LRS Premium Green Seaweed, the superior choice for discerning aquarists who demand the best...
LRS Chunky Predator Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS
$21.99
LRS "Chunky" is the perfect food for hobbyists with large predatory fish such as triggers, puffers, and eels. This blend offers a convenient way to feed your fish fresh, diverse, and high-quality...
LRS Reef Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS
$21.99
Reef Frenzy is a premium, all-in-one food for marine fish, corals, and invertebrates, designed to provide all the necessary nutrients for a thriving reef aquarium. Favored by hobbyists and endorsed...
Hydra Edge 68 HD Saltwater Aquarium Light - AquaIllumination
AquaIllumination
$699.99
The AI Hydra Edge represents significant improvements to the Hydra lighting platform now with 135 Watts, Controllable Shimmer, 100 Degree lens, articulating mounting options and more! (Mounting Arms...
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 more! (Mounting Arms &...
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems
$659.99
Key New Features in our A3 Series:
The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector...
HI97115UC Bluetooth Marine Master Multiparameter Checker - Hanna Instruments
Hanna Instruments
$499.99
Hanna Instruments HI97115UC Marine Master Bluetooth Multiparameter Checker
Precision Testing for the Serious Reef Hobbyist
Achieve unparalleled accuracy and control over your reef aquarium's water...