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On Sale 15%
$$$ Money Saver Aquarium Dry Live Rock (by the lb)
All Misc Brands$3.25$2.76"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. Base Dry Rock - 20... -
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 15%
Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems
Neptune Systems$109.99$93.49Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping on hand no more Trident reagent than you might... -
On Sale 14%
1/8" ID Clear PVC Vinyl Dosing Tubing (by the Foot)
Generic$0.35$0.30Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives. Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the clarity... -
On Sale 15%
Real Reef Rock (by the pound) - Mixed Sizes - Real Reef
Real Reef$6.99$5.94"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. Rock Sizing:... -
On Sale 15%
Real Reef Rock Large 8-16" (by the pound) - Real Reef
Real Reef$6.99$5.94"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. Rock Sizing:... -
On Sale 15%
Chaeto (Spaghetti Algae) Chaetomorpha - Chicago
SaltwaterAquarium$35.00$29.75Chaeto ships UPS 2 Day Air - We only ship Chaeto Monday, Tuesday & Wednesday till 1 pm to prevent it from sitting in UPS trucks/warehouses over a weekend. Spaghetti Algae, as Chaetomorpha is sometimes referred to, grows in a tangled mass. It... -
On Sale 15%
Apex Trident Reagent Kit (2 Month Supply) - Neptune Systems
Neptune Systems$49.99$42.49PLEASE ONLY PURCHASE 1x Two Month Supply. We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day). The reagent kit has at least 240... -
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 20%
HI98319 Salinity & Temperature Tester - Hanna
Hanna Instruments$89.99$71.99We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and... -
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 20%
HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments
Hanna Instruments$67.99$54.39The Hanna Marine Alkalinity (dKH) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color... -
On Sale 20%
HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments
Hanna Instruments$67.99$54.39Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per... -
On Sale 15%
PINPOINT pH Probe Lab Grade Double Junction - American Marine
American Marine$39.99$33.99The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design. The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture... -
On Sale 15%
Osmolator 3155 Auto Top Off - Tunze
Tunze$229.99$195.49High-tech, for a reliable water level in the aquarium. Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium. Scope of delivery: Ready for mounting with... -
On Sale 20%
HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments
Hanna Instruments$44.99$35.99The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,... -
On Sale 20%
HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$67.99$54.39Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758... -
On Sale 20%
HI783 Marine Magnesium Checker HC Handheld Colorimeter - Hanna Instruments
Hanna Instruments$67.99$54.39THESE ARE THE NEWLY UPDATED REAGENTS. Now 1x powder and 1x liquid. The testing process is the same as Alkalinity HI772 with one second liquid reagent. The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer-... -
On Sale 15%
LifeRock Dry Live Rock (40 lb) - Caribsea
Caribsea$202.02$171.72Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock... -
On Sale 15%
"VeggieMag" Magnetic Veggie Clip - Two Little Fishies
Two Little Fishies$23.50$19.98The 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 easy to retrieve it without getting your hands wet... -
On Sale 15%
Apex Temperature Probe - Neptune Systems
Neptune Systems$34.99$29.74Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more... -
On Sale 35%
Coralline Purple Reef Epoxy (2 oz) - Oceans Wonders
Oceans Wonders$8.49$5.52Oceans Wonders CORALLINE PURPLE reef safe epoxy bonds just about anything. It is designed to be used for attaching corals to our frag mounts or live rock. Works under water or out. Very easy to use and is safe for all fish, corals and invertebrates in... -
On Sale 15%
Real Reef FANCY Branch Rock (by the lb) Box - Real Reef
Real Reef$13.99$11.89"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. Real Reef Branch Rock is our... -
On Sale 20%
(HI783-25) Marine Magnesium Reagents - 25 Tests - Hanna Instruments
Hanna Instruments$24.99$19.99This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna state-of-the-art facility and are clearly marked with... -
On Sale 15%
IC-Gel Insta Cure Cyanoacrylate Coral Frag Glue (20g - 0.7 oz) - Bob Smith Industries
Bob Smith Industries$8.99$7.64IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing time characteristics as MAXI-CURE™. IC-GEL™, however, can be applied to a vertical surface... -
On Sale 20%
HI713 Phosphate Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$67.99$54.39Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 6x tests. The Hanna... -
On Sale 15%
2-Month Trident NP Reagent Kit - Neptune Systems
Neptune Systems$59.99$50.99Do to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only. Replacement Reagent Kit for Trident NP (2 Month Supply) Keep your Trident NP Nitrate and Phosphate Tester... -
On Sale 15%
Apex TRIDENT (Alk, Cal, Mag) Monitoring Device - Neptune Systems
Neptune Systems$674.99$573.74The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your dosing. When combined with... -
On Sale 20%
32.5" Coral Gripper (83 mm) - Maxspect
Maxspect$13.99$11.19The Maxspect Coral Gripper is a long reach tong grabber specifically designed for use in marine aquariums with 316L stainless steel components. Enjoy dry hands and arms as you easily gently move corals and other ornaments within the aquarium. A strong... -
On Sale 15%
(XR719-15) XR15 G5 & G6 Radion Single Arm Tank Mount RMS Kit - Ecotech Marine
Ecotech Marine$107.93$91.74Radion XR15 G5 RMS Tank Mount. Backward compatible with all previous generations of radions. Each kit contains everything needed to mount a Radion light on almost any standard or rimless tank. Each kit contains multiple sliding rails and a rotatable... -
On Sale 25%
Syncra Silent Water Pump 1.0 (251 gph) 5 ft. Head - Sicce
Sicce$59.99$44.99The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don't be fooled - these pumps are powerful and versatile. Ideal for fresh and salt water aquariums, protein skimmers, indoor fountains, water-cooling and all submersible... -
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 30%
SMALL (4"-8") Reef Saver Premium Dry Rock (by the lb) - Marco Rock
MarcoRocks$3.75$2.63"By the Pound" means you are choosing the weight of your rock. Ex: Qty 10 is 10 Pounds of Rock, NOT 10 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 15%
(SMALL) Mini Real Reef FANCY Branch Rock (1 Piece) - Real Reef
Real Reef$9.99$8.49"By the Piece" means you are choosing a single branch rock. Average Piece of a Mini Brand is 3-6" in length. Real Reef Branch Rock is our version of the Tonga Branch rock that use to be imported from the Kingdom of Tonga for many years, before... -
On Sale 15%
Magnetic Optical Sensor (MOS) - Neptune Systems
Neptune Systems$41.99$35.69The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected... -
On Sale 15%
Osmolator Nano 3152 Auto Top Off - Tunze
Tunze$114.99$97.74For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations. The Osmolator nano which was specifically designed for this, is a water level controller with only a... -
On Sale 21%
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
XP Aqua$139.99$109.99With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level... -
On Sale 15%
Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems
Neptune Systems$239.99$203.99The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for... -
On Sale 35%
Ceramic Coral Frag Plugs 3/4" (25 pc) - Oceans Wonders
Oceans Wonders$7.99$5.19Oceans Wonders Ceramic Coral Frag Plugs are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They have a 3/4" crown with a 7/16" base and fit perfectly...