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Two Little FishiesNews & Information (6)
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Anthias...Really that Hard to Keep?(Post)
Easily some of the most colorful saltwater fish available to aquarists are collectively known as Anthias. Sherbet orange, electric yellow, bright red, pink squares and light purple polka dots ...
Knowledge(Page)There is a whole lot more to owning and maintaining a fish tank than simply buying a glass bowl, filling it with water, and dropping in a couple fish. If you aren’t careful and if you don&rsquo ...
Cycling a Saltwater Aquarium (Page)Setting up a saltwater aquarium is quite different then freshwater. A saltwater aquarium must first be cycled to prepare the environment for fish & corals. Nitrogen cycling is a process in which ...
Live & Refrigerated Goods Shipping(Page)Shipping: Live Animals, Clean up Crews, Fish & Corals ship Monday, Tuesday, Wednesday & Thursday via FedEx Priority Overnight. If you purchase less than $179 worth of Live Animals ...
Aquarium Supplements(Page)Have you ever wondered if you should be adding supplements to your saltwater aquarium? There's no single answer that fits every situation. The answer actually depends solely on what types of mari ...
Choosing a Filter(Page)With so many different saltwater aquarium filters to choose from, it can be really hard to choose the right one. And, if you are a beginner in the saltwater hobby it could be impossible. Saltwate ...
Products (154)
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On Sale 20%
On Sale 20%Airline Hose Fittings - Two Little Fishes
Two Little Fishies$6.75$5.403 of each - tee, elbow, cross joiner Aquatic Micro Airline fittings for connecting standard tubing for connecting air-controlled devices such as air stones, filters, protein skimmers, ornaments, etc... -
On Sale 20%
On Sale 20%1" Clamp Set - Two Little Fishes
Two Little Fishies$9.68$7.746 piece, 1" clamp set for plumbing your aquarium Plastic hose clamps used for securing standard hose for low pressure aquarium devices such as canister filters, protein skimmers, etc. -
On Sale 20%
On Sale 20%Little Reactor - Two Little Fishies
Two Little Fishies$61.59$49.27The Little Reactor 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 dispersion... -
On Sale 20%
On Sale 20%1/2" Clamp Set - Two Little Fishes
Two Little Fishies$6.96$5.576 piece, 1/2" clamp set for plumbing your aquarium. Plastic hose clamps used for securing standard hose for low pressure aquarium devices such as canister filters, protein skimmers, etc. -
On Sale 20%
On Sale 20%3/4" Clamp Set - Two Little Fishes
Two Little Fishies$7.43$5.946 piece, 3/4" clamp set for plumbing your aquarium. Plastic hose clamps used for securing standard hose for low pressure aquarium devices such as canister filters, protein skimmers, etc. -
On Sale 20%
On Sale 20%Replacement Tips for Julian's Thing - Two Little Fishes
Two Little Fishies$7.03$5.622 Replacement Tips for Julian's Thing -
On Sale 20%
On Sale 20%Phosban Reactor NPX Screen - Two Little Fishes
Two Little Fishies$3.99$3.192 Replacement Screens for the Phosban reactors 4.5" diameter -
On Sale 20%
On Sale 20%Little Lifesaver Air Pump - Two Little Fishies
Two Little Fishies$26.99$21.59Features Automatic Battery Backup Low Noise - ≤30 dB low noise Unique Design Easy to Install and reliable operation Portable and multi-use for aquariums, for transporting fish, and for... -
On Sale 20%
On Sale 20%NanoMag Replacement Square - Two Little Fishies
Two Little Fishies$7.37$5.90Replacement inside pad for the Two Little Fishies NanoMag Includes inside magnetic scrubber -
On Sale 20%
On Sale 20%Micro Valves - Thread x Thread - Two Little Fishes
Two Little Fishies$12.02$9.626 piece, thread x thread valves for plumbing your aquarium. Aquatic Micro Ball Valves used for regulating air flow through standard tubing for air-controlled devices such as air stones, filters,... -
On Sale 20%
On Sale 20%Phosban Reactor 550 Replacement Sponges - Two Little Fishes
Two Little Fishies$5.18$4.142 Replacement sponges for the Phosban 550 reactor -
On Sale 20%
On Sale 20%Micro Valves - Barb x Thread - Two Little Fishes
Two Little Fishies$12.02$9.626 piece, barb x thread valves for plumbing your aquarium. Aquatic Micro Ball Valves used for regulating air flow through standard tubing for air-controlled devices such as air stones, filters,... -
On Sale 20%
On Sale 20%Phosban Reactor 150 Replacement Sponges - Two Little Fishes
Two Little Fishies$3.41$2.732 Replacement sponges for the Phosban 150 reactor -
On Sale 20%
On Sale 20%Nano-Mag Nano Tank Cleaning Magnet - Two Little Fishies
Two Little Fishies$16.86$13.49Two Little Fishies' NanoMag is an itsy-bitsy, lean, high-energy, window-cleaning apparatus. Its patented design provides flexibility and a slender profile that slips safely between polyps or plants... -
On Sale 20%
On Sale 20%Magnetic Floating Feeding Ring (MagFeeder) - Two Little Fishies
Two Little Fishies$24.94$19.95Our NEW feeding device, MagFeeder and its accessories make feeding your fishes more effective and enjoyable. MagFeeder comes with a floating feed ring that retains flakefoods, pellets, powdered... -
On Sale 20%
On Sale 20%Phosban Reactor 150 Replacement Plate and Sponge - Two Little Fishes
Two Little Fishies$7.95$6.36Replacement Plate and Sponge for the Phosban 150 reactor -
On Sale 20%
On Sale 20%LittleScrape Replacement Plastic Blades (Set of 2) - Two Little Fishies
Two Little Fishies$10.14$8.11Replacement Blades for Two Little Fishies AlgaeEraser -
On Sale 20%
On Sale 20%O-Ring for Phosban 550 Reactor - Two Little Fishies
Two Little Fishies$2.57$2.06Replacement O Ring for Two Little Fishies Phosban 550 Reactor -
On Sale 20%
On Sale 20%WormBitz (50 gm) - Two Little Fishies
Two Little Fishies$27.00$21.60WormBitz 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... -
On Sale 20%
On Sale 20%O-Ring for Phosban 150 Reactor - Two Little Fishies
Two Little Fishies$2.01$1.61Replacement O Ring for Two Little Fishies Phosban 150 Reactor -
Iron Concentrate (500 ML - 16 oz) - Two Little Fishies
Two Little Fishies$10.39Two Little Fishies Iron Concentrate is a solution that contains the elements iron and manganese, which are essential to the health of all plants, including the symbiotic zooxanthellae in corals and... -
On Sale 20%
On Sale 20%Liquid Phosban-L (1 Gallon) - Two Little Fishies
Two Little Fishies$100.86$80.69Got 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,... -
On Sale 20%
On Sale 20%Iron Concentrate (250 ML - 8 oz) - Two Little Fishies
Two Little Fishies$6.09$4.87Two Little Fishies Iron Concentrate is a solution that contains the elements iron and manganese, which are essential to the health of all plants, including the symbiotic zooxanthellae in corals and... -
On Sale 20%
On Sale 20%AlgaeEraser Replacement Plastic Blades (Set of 2) - Two Little Fishies
Two Little Fishies$10.65$8.52Replacement Blades for Two Little Fishies Algaescrape -
BioPronto Marine Rapid Cycling Culture (500 ml / 16 oz) - Two Little Fishies
Two Little Fishies$34.91BioPronto™Marine Once upon a time the way to start a marine tank involved introducing a few hardy fishes and waiting until the tank “cycled.” The wait to establish an active... -
On Sale 20%
On Sale 20%BettaMag Magnetic Scrubber for Aquariums - Two Little Fishies
Two Little Fishies$11.16$8.93Two Little Fishies' BettaMag Cleaning Magnet is an even smaller window-cleaning apparatus than the NanoMag. It's designed for use on betta and goldfish bowls or pico aquariums... -
On Sale 20%
On Sale 20%Liquid Phosban-L (500 ml) - Two Little Fishies
Two Little Fishies$26.63$21.30Got 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,... -
On Sale 20%
On Sale 20%Phosban Reactor 550 Adjustable Height Filter Plate - Two Little Fishes
Two Little Fishies$8.94$7.15Adjustable Height Filter Plate for the Phosban 550 reactor -
On Sale 20%
On Sale 20%NPX Bio Pellet Adaptor for Reactor 550 - Two Little Fishies
Two Little Fishies$20.68$16.54Use this kit with your Phosban 550 to run Bio Pellets effectively. Vortex generator for fluidizing NPX BioPlastics and other biopellets in Two Little Fishies Phosban reactors. -
On Sale 20%
On Sale 20%Iodine Concentrate (250 ml) - Two Little Fishies
Two Little Fishies$7.95$6.36Two Little Fishies Iodide and iodine supplement is made from potassium iodide and seaweed extracts. Use this supplement to provide an extra boost of this important element and observe the positive... -
On Sale 20%
On Sale 20%Mega Veggie Mag - Two Little Fishies
Two Little Fishies$53.12$42.50The 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... -
On Sale 20%
On Sale 20%CDX Carbon Dioxide Adsorption Media (750 ml) - Two Little Fishies
Two Little Fishies$23.64$18.91CO2 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... -
On Sale 20%
On Sale 20%NPX Bio Pellet Adaptor for Reactor 150 - Two Little Fishies
Two Little Fishies$18.69$14.95Use this kit with your Phosban 550 to run Bio Pellets effectively. Vortex generator for fluidizing NPX BioPlastics and other biopellets in Two Little Fishies Phosban reactors... -
On Sale 20%
On Sale 20%Zoplan Zooplankton Diet (1 oz) - Two Little Fishies
Two Little Fishies$14.38$11.50ZoPlan 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,... -
CDX Carbon Dioxide Adsorption Media (3 L) Bucket - Two Little Fishies
Two Little Fishies$71.59Tackle pH management at the source for water parameters vital for healthy reef aquariums. Two Little Fishies CDX Carbon Dioxide Adsorption Media help maintain and elevate aquarium pH by removing CO2... -
On Sale 20%
On Sale 20%Julian's "Thing" Coral Feeding Tool - Two Little Fishies
Two Little Fishies$35.70$28.56Julian’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... -
On Sale 20%
On Sale 20%LittleScrape Replacement Stainless Steel Blades Set of 3x (0.3 mm thick) - Two Little Fishies
Two Little Fishies$12.71$10.17Replacement Blades for Two Little Fishies Algaescrape -
On Sale 20%
On Sale 20%LittleScrape Replacement Stainless Steel Blades Set of 3x (0.5 mm thick) - Two Little Fishies
Two Little Fishies$13.37$10.70Replacement Blades for Two Little Fishies Algaescrape -
On Sale 20%
On Sale 20%AquaStik Grey Coral Epoxy (4 oz) - Two Little Fishies
Two Little Fishies$14.89$11.91AquaStik Stone Grey. Underwater Epoxy Putty for marine and freshwater aquariums, Ponds and Paludariums. Also useful in Reptile & Small Animal habitats. Neutral color. Non-toxic to fish, plants... -
On Sale 20%
On Sale 20%Potassium Concentrate (500 ML - 16 oz) - Two Little Fishies
Two Little Fishies$12.75$10.20Julian Sprung's Reef Formula Potassium occurs at a concentration of about 400 mg/L in full-strength natural seawater. It is an essential element for metabolic function of all living cells...
Featured Products
RO/DI Flood Guardian - RODI Auto Shut Off Solinoid - AutoAqua
AutoAqua
$94.99
Stop the Floods. Start the Convenience.
Making RO or RO/DI water for your aquarium is a time-consuming necessity, but forgetting to turn it off shouldn't cost you a flooded floor. The AutoAqua Smart...
On Sale
15%
On Sale
15%
B-Ionic Nitrate (16 oz) - ESV
ESV
$19.99
$16.99
Achieve vibrant coral coloration and robust health with ESV B-Ionic® Nitrate, a professional-grade, highly purified calcium nitrate solution. In the modern ultra-low nutrient system (ULNS), many reef...
On Sale
15%
On Sale
15%
Granular Activated Clean Carbon (3.5 lbs, 1600 grams) - ESV
ESV
$39.99
$33.99
Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration...
On Sale
15%
On Sale
15%
Kalkwasser Powder Calcium Hydroxide (14 oz, 400 grams) - ESV
ESV
$14.99
$12.74
Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium...
HYDROS Duet: The Ultimate Super-Duty Dosing, Water Change & Control Hybrid
Hydros
$799.99
HYDROS Duet: The Ultimate Super-Duty Dosing & Control Hybrid
Take total control of your aquarium’s most demanding liquid management tasks with the HYDROS Duet. Engineered for hobbyists who...
4-Head Dosing Pump - Simplicity
Simplicity
$149.95
The Simplicity Dosing Pump is an accurate, effective, and affordable liquid dosing solution. The four dosing heads offer high-precision liquid dosing combined with easy-to-use integrated controls...
On Sale
15%
On Sale
15%
Marine Grazing Pellets 8mm (2.82 oz) - Vialtis
Vitalis
$20.99
$17.84
Vitalis Marine Grazing Pellets (8mm) – 80g
Fuel the natural foraging instincts of your saltwater fish with Vitalis Marine Grazing Pellets. These high-quality, 8mm pellets are specifically formulated...
On Sale
15%
On Sale
15%
Marine Grazing Pellet Station - Vitalis
Vitalis
$8.99
$7.64
Vitalis Universal Grazing Station – Interactive Feeding System
Enhance your aquarium’s feeding experience with the Vitalis Universal Grazing Station. Designed by the experts at Vitalis, this...
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.00
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
$399.00
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
$219.00
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...
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...
On Sale
15%
On Sale
15%
PNS Deep Cycle (1 Gallon) Live Bacteria - Hydrospace
Hydrospace
$249.99
$212.49
A Functional Cohort of
Nitrate Minus (1000 ml) - NYOS
NYOS
$34.99
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
On Sale
15%
On Sale
15%
MEGA Filtra 950 SDC Aquarium Canister Filter Up to 250 Gal (568 gph) - Sicce
Sicce
$499.99
$424.99
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