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On Sale 30%
Marco Rocks Reef Saver Premium Rock (by the lb) - Marco Rock
MarcoRocks$3.49$2.44"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. Marco ReefSaver is a natural... -
On Sale 25%
MarcoRocks Shelf Premium Dry Rock (by the lb) - Marco Rock
MarcoRocks$6.99$5.24"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. This is Marco Rocks newest... -
On Sale 20%
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments$24.99$19.99HI782-25 (25 tests) The HI782-25 are the replacement reagents for the HI782 Nitrate High Range Checker. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration... -
On Sale 12%
ReefMat 500 Replacement Fleece (92') Roll - Red Sea
Red Sea$19.99$17.59Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 500 Length: 92' Width: 4.4" -
On Sale 12%
Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea
Red Sea$94.99$83.59Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for... -
On Sale 12%
ReefMat 1200 Replacement Fleece (115') Roll - Red Sea
Red Sea$31.99$28.15Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 1200 Length: 115' Width: 6.7" -
On Sale 15%
Tigger Pods Live Copepods (6 oz) - Reef Nutrition
Reef Nutrition$29.00$24.65Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to... -
On Sale 12%
225 Micron Felt Filter Sock - Red Sea
Red Sea$10.99$9.67High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. Red... -
On Sale 12%
Coral Pro Salt Sack (55 lbs Makes 200 Gallons) - Red Sea
Red Sea$84.99$74.79Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for... -
On Sale 15%
SaltwaterAquarium Dosing Shot Glass
SaltwaterAquarium$5.00$4.25Our SaltwaterAquarium.com measurement shot glass is perfect for dosing your aquarium supplements or yourself. It offers acurate graduated measurements in teaspoon, tablespoon, ounces and milliliters. This glass measuring device can measure out... -
On Sale 15%
Apex-Pods Live Copepods (6 oz) - Reef Nutrition
Reef Nutrition$28.00$23.80Apex-Pods™ are live Apocyclops panamensis copepods. They are an excellent food source that attracts finicky fish, such as mandarin dragonets, pipefish, Anthias sp. and wrasses. Shipping: Click Here to Learn More about Shipping... -
On Sale 12%
Small Bucket Coral Pro Sea Salt Mix (Makes 55 Gallons) - Red Sea
Red Sea$44.99$39.59Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro Salt is ideal for reef aquariums, in particular for... -
On Sale 15%
Arag-Alive Special Grade Reef Sand (20 lb) 1.0 - 2.0 mm - Caribsea
Caribsea$38.95$33.11You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks... -
On Sale 20%
HI782 Marine Nitrate High Range Checker - Hanna Instruments
Hanna Instruments$67.99$54.39The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors... -
On Sale 15%
Cleaner Shrimp - Clean Up Crew
Clean Up Crews$34.99$29.74Known by various names, including Pacific cleaner shrimp, scarlet cleaner shrimp, and skunk cleaner shrimp, these shrimp play a vital role in coral reef ecosystems. Their common name is derived from the fact that a large portion of their diet is made up... -
On Sale 15%
Glass & Acrylic Cleaner (8 oz) - Fritz Aquatics
Fritz Aquatics$8.79$7.47Most household glass cleaners contain ammonia or other harsh chemicals that are toxic to fish, reptiles and invertebrates. Fritz Glass & Acrylic Cleaner is ammonia free and safe to use on exterior surfaces around an aquarium or terrarium. Unique... -
On Sale 12%
Red Sea Salt Blue Sack (55 lbs Makes 200 Gallons) - Red Sea
Red Sea$84.99$74.79This is NOT Coral Pro - This is the basic Red Sea Salt in a 200 Gallon Sack. Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth... -
On Sale 12%
100 Micron Felt Fine Polish Filter Sock - Red Sea
Red Sea$10.99$9.67High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. 100... -
On Sale 12%
Blue Large Bucket Red Sea Salt 175 Gallon (Not Coral Pro) - Red Sea
Red Sea$94.99$83.59Now Available in an Easier to Ship Box - No More Broken Buckets with Salt Everywhere - https://www.saltwateraquarium.com/red-sea-salt-mix-blue-box-makes-160-gallons-red-sea/ Red Sea Salt contains biologically balanced, elevated levels of... -
On Sale 25%
Pump Clean Aquarium Pump Cleaner (32 oz - 900g) - Sicce
Sicce$24.99$18.74It's important to keep your PUMP in prime operating condition to ensure long-life and efficient operation. Over time, natural mineral deposits will form in your pump, and if untreated, may cause undesirable operation or even failure. Sicce’s Pump... -
On Sale 12%
Net Cover Zig Zag 15/40mm (R42085) - Red Sea
Red Sea$7.99$7.03Net Cover Zig Zag 15/40mm | Item code R42085 Use for circumventing equipment mounts such as LED ZigZag 15 Left (F) – 1 ZigZag 15 Right (F) – 1 ZigZag 40 Left (F) – 1 ZigZag 40 Right... -
On Sale 15%
Nitrate (NO3) Test Kit - Salifert
Salifert$17.37$14.76A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should... -
On Sale 15%
(5) Pack Blue Legged Hermit Crabs (Clibanarius sp) - Cleanup Crew
Clean Up Crews$9.99$8.49Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew. This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume... -
On Sale 15%
Tigger Pods, Apex Pods & Phyto LIVE Pack (6 oz Each) - Reef Nutrition
Reef Nutrition$72.00$61.20Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to... -
On Sale 15%
Arag-Alive Fiji Pink Reef Sand (20 lb) 0.5 - 1.5 mm - Caribsea
Caribsea$38.95$33.11You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks... -
On Sale 15%
Plastic Snapper Hose Clamp 3/4"
SaltwaterAquarium$1.49$1.27Plastic Snapper Hose Clamp 3/4" -
On Sale 12%
MCP Test Kit Marine Master Care - Red Sea
Red Sea$74.99$65.99Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of... -
On Sale 12%
Blue Small Bucket Red Sea Salt 55 Gallon (Not Coral Pro) - Red Sea
Red Sea$34.99$30.79Red Sea Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Red Sea Salt is ideal for reef aquariums, in particular for LPS... -
On Sale 12%
ReefDose Deluxe 4-Color Tube Kit (Blue/Green) - Red Sea
Red Sea$33.00$29.04Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily identifying a full range of supplements from container to dosing... -
On Sale 12%
4" Red Sea Reefer Filter Media Cup w/Media Bag - Red Sea
Red Sea$15.99$14.074" filter media cups include a free high quality filter media bag, as used in Red Sea Reef-Spec Carbon. Cup Dimensions: 4.25 x 4.25 x 8.5" -
Smart Temp Magnetic Thermometer - JW Pet
JW Pet$5.95JW Pet Company Smart temp Thermometer Aquarium Accessory Large : JW Fusion Smart Temp Thermometer features a unique magnetic system that securely holds the thermometer in place inside of the aquarium with a magnet on the outside of the glass. It ranges... -
On Sale 12%
Net Cover Universal Cut Out Kit (R42086) - Red Sea
Red Sea$9.99$8.79Net Cover universal Cut out Kit | Item code R42086 Use for larger cut outs External corner (A) Internal corner (B) Cut out Profile (P3) Keep your finny friends safe inside your tank with a... -
On Sale 15%
POD PACK Multiple Copepod Pack- Reef Nutrition
Reef Nutrition$71.00$60.35When it comes to copepods, Reef Nutrition has you covered whether you want to seed a tank, boost a population, use for feed or culture. Pack contains 6 oz bottles of LIVE Apex-Pods, LIVE Tigger-Pods and Artci-Pods concentrate. Keep in... -
On Sale 15%
(5) Pack Red Legged Hermit Crabs (Clibanarius sp) - Cleanup Crew
Clean Up Crews$9.99$8.49Red & Blue Leg Hermits are an essential part of any Clean up Crew. This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume uneaten... -
On Sale 15%
Plastic Snapper Hose Clamp 3/4" BLACK
SaltwaterAquarium$1.49$1.27Plastic Snapper Hose Clamp 3/4" Black -
On Sale 15%
Ocean Direct Live Reef Sand (40 lb) 0.25 - 1.0 mm - Caribsea
Caribsea$53.99$45.89This substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Every breathable bag of Ocean Direct™ is... -
On Sale 12%
24" x 24" Customizable DIY Aquarium Screen Net Cover Kit (R42080) - Red Sea
Red Sea$57.99$51.03Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF STOCK PHOTO SHOWS WHAT CAN BE DONE WITH EXTRA PARTS SOLD SEPARATELY - THIS KIT ONLY MAKES A MAX SIZE RECTANGLE LISTED Keep your finny... -
On Sale 12%
ReefMat 250 Replacement Fleece Roll - Red Sea
Red Sea$15.99$14.07Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 250 3.2” - Fleece-mat width -
On Sale 12%
ReefDose Doser 4 Head Wireless Dosing Pump - Red Sea
Red Sea$429.00$377.52ReefDose is designed and built specifically for the daily supplementing of reef aquariums. ReefDose uses bespoke (patent-pending) single-drop-accuracy dosing heads together with an advanced controller that provides a full suite of features... -
On Sale 15%
Oyster Feast Egg & Tissue Mix (6 oz) - Reef Nutrition
Reef Nutrition$24.00$20.40A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS Corals (such...