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On Sale 15%
On Sale 15%B-Ionic Calcium Buffer System (64 oz) - ESV
ESV$29.99$25.49Bionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders, disruption of ionic... -
On Sale 15%
On Sale 15%No Spill Extension Hose (20 Feet) - Python
Python$29.99$25.49Easily extend the length of your No Spill Clean and Fill System. Comes complete with one male and one female adapter for easy installation on any size Python system. -
On Sale 15%
On Sale 15%Apex FMM Flow Sensor – 1″ (FS-100) w/Unions - Neptune Systems
Neptune Systems$65.99$56.09Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses BSPP threads so for North... -
On Sale 30%
On Sale 30%Flipper FLOAT Nano Algae Magnet Cleaner up to 1/4" Tanks
Flipper$29.99$20.99For use on glass tanks up to 6mm (1/4") thickness or about 25 Gallons Scrub, Flip, Scrape, and Now *FLOAT* with FL!PPER Aquarium Cleaner! The Fl!pper Floating Nano Aquarium Cleaner is the last aquarium cleaning tool you will ever need! Flipper's... -
Standard 90-GPD RO Membrane (MEM-0090) - Spectrapure
Spectrapure$56.99SpectraPure Standard 90-GPD Batch-Tested TFC RO Membrane, 2in dia x 12in LFEATURES: - Minimum Rejection = 96%. Stabilized Salt Rejection: 98%. - The membranes produce the rated GPD ± 20% at 60 psi. (Permeate flow and salt rejection based on the... -
On Sale 30%
On Sale 30%MEDIUM (8"-11") 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%
On Sale 15%Tidal 55 HOB Power Filter (Up to 55 Gal) - Seachem
Seachem$60.16$51.14Tidal™ Power Filters are designed from the ground up to provide your aquarium with high-quality, comprehensive filtration. They are easy to use and adaptable to a variety of aquarium conditions. With a host of features including a self-priming... -
On Sale 15%
On Sale 15%Reef Roids Nano (37 g) Pouch - Polyplab
PolypLab$14.99$12.74Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals.The particle size of Reef-roids is around 150-200 microns. This is an ideal... -
On Sale 12%
On Sale 12%KH/Alkalinity Pro Test Refill - Red Sea
Red Sea$24.99$21.99Reagent alkalinity pro refill test kit is an advanced titration test Measuring the level of buffers in reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dkh) This test refill replenishes KH/alkalinity pro test kit with sufficient... -
On Sale 25%
On Sale 25%Syncra Silent Water Pump 2.0 (568 gph) 7.9 ft. Head - Sicce
Sicce$99.99$74.99The 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 15%
On Sale 15%LED Gooseneck Clamp/Mount - Kessil
Kessil$35.00$29.75The Kessil LED Light Pendant Gooseneck Clamp/Mount is a versatile mounting option that allows you to customize the positioning of your Kessil LED Fixtures. Will work with all Kessil lights we sell (A150W, A160W, A360W, A360N, A350 & A350W). It... -
On Sale 15%
On Sale 15%eFlux LOOP DC Flow Return Pump 1900 GPH (6010) - Current USA
Current USA$178.46$151.69A perfect compact solution for a quiet yet powerful return pump. Featuring a sealed DC motor and magnetic drive design, eFlux DC pumps provide up to 65% energy savings over traditional AC pumps and are completely controllable. Running virtually... -
On Sale 15%
On Sale 15%AcroPower Amino Acids for SPS Corals (1000 ml) - Two Little Fishies
Two Little Fishies$35.40$30.09AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other... -
On Sale 15%
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 15%
On Sale 15%Digital Seawater Refractometer MA887 w/Protective Case - Milwaukee
Milwaukee Instruments$136.00$115.60This refractometer does come with a black or blue protective case. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation... -
On Sale 15%
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%
On Sale 15%Care Magnet Long 0222.015 Aquarium Algae Cleaner w/Care Booster - Tunze
Tunze$42.99$36.54The "Care Magnet" is a breath of fresh air in the field of aquarium pane cleaner design, consisting of an ergonomic handle and special plastic blades made of wear-resistant high performance plastic. The patented slim Care Magnet is significantly more... -
On Sale 15%
On Sale 15%3 Pack Stainless Steel Replacement Blades Care Magnets - Tunze
Tunze$10.79$9.17Tunze Replacement stainless steel blades for the Tunze Care Magnet Long (0220.015), Tunze Care Magnet Strong (0220.020), and Tunze Care Magnet Strong+ (0220.025) -
On Sale 15%
On Sale 15%350 Large Glass Algae Magnet w/Scraper - MagFloat
MagFloat$71.89$61.11The Mag-Float-350 Large Glass Aquarium Cleaner is recommended for use with glass aquariums up to 350 gallons with a surface thickness up to 5/8”. Product dimensions: (3-1/4" x 2-1/2" x 1") The Mag-Float cleaners contain special abrasive velcro... -
On Sale 15%
On Sale 15%Vita-Chem Marine (4 oz) - Boyd
Boyd$11.49$9.77Pre-stabilized multi-vitamin, water and tissue soluble – an exclusive revolutionary NEW concept in vitamin supplements for animals and fishes kept in closed systems. Helps aid with Fin Regeneration & Lateral Line disease. The benefits of... -
On Sale 15%
On Sale 15%Focus Antibacterial Treatment (5gm) - Seachem
Seachem$7.98$6.78Antibacterial polymer for internal infections of fish Use alone or mixed with other medications to make them palatable to fish and greatly reduce the loss of medication to the water through diffusion Treats fungal and bacterial... -
Nitrate Test Kit (90 Tests) - API
API$13.98The API Nitrate Test Kit will allow you to accurately and easily measure the nitrate level and provides steps to remove it. Kit includes 2 liquid droppers, instructions on how to test and correct water conditions, a glass test tube, and 2 colors charts... -
On Sale 15%
On Sale 15%Julian's "Thing" Coral Feeding Tool - Two Little Fishies
Two Little Fishies$33.65$28.60Julian’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 for applying solutions onto Aiptasia and manjano anemones... -
On Sale 30%
On Sale 30%Flipper FLOAT Algae Magnet Cleaner up to 1/2" Tanks
Flipper$49.99$34.99The standard size Flipper can be used on glass or acrylic tanks up to 12mm (1/2") thickness. Flipper's patented design creates the only 2 in 1 aquarium cleaner that can FLIP from scrubber to scraper simply by rotating the handle. Complete cleaning... -
On Sale 15%
On Sale 15%Life Rock Reef Tree Kit (4 Piece) Shapes - CaribSea
Caribsea$216.49$184.02There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and “play area” for fish, but provide nice nooks and shelf areas for inverts too. CaribSea... -
On Sale 15%
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%
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%
On Sale 15%Potassium Concentrate (500 ML - 16 oz) - Two Little Fishies
Two Little Fishies$15.99$13.59Julian 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. Sometimes artificial seawater mixes are deficient in potassium,... -
On Sale 12%
On Sale 12%Reef Mature Starter Kit (Aquarium Cycling Solution 65 Gallon) - Red Sea
Red Sea$38.99$34.31Red Sea’s Reef Mature Starter Kit provides a complete program for the biological maturation of your reef aquarium, establishing full nitrification plus nitrate and phosphate reduction in a few weeks. Most biological ‘cycling’ products... -
On Sale 20%
On Sale 20%HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$67.99$54.39Nitrification is the biological oxidation of ammonia (ammonium ion) into nitrite followed by the oxidation of the nitrites to nitrates. The first step of this 2-step process is carried out in an aquarium by nitrifying bacteria. During this quick process,... -
On Sale 15%
On Sale 15%Locline 3/4" Round Nozzle - Ball Socket - Loc Line
Loc Line$2.19$1.86One (1) - 3/4" Loc Line Round Nozzle. Perfect for Aquariums. -
On Sale 15%
On Sale 15%(Pack of 3) Lee's Thinwall Rigid (Hard) Airline Tubing (3/16 x 3' long) - Lee's
Lee's$12.99$11.04Clear rigid pvc tubing with thin walls. Use as replacement uplift tubes or to fabricate custom set-ups for aquariums and pools. Pack of 3 Measurements are outside-diameter Lees rigid tubing is 3/16-inch round x 3 feet long. Clear rigid... -
On Sale 15%
On Sale 15%Potassium Reef Test - Salifert
Salifert$18.81$15.99Salifert test kits have been trusted by discerning reefers for years for their ease of use and reliability. Many reefers will report loss of coloration in corals when potassium level start to drop below 360 ppm. Potassium levels in natural... -
On Sale 15%
On Sale 15%200 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$35.49$30.17With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
On Sale 15%
On Sale 15%PF-800 Overflow Box - Eshopps
Eshopps$129.98$110.48The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters. These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow... -
On Sale 15%
On Sale 15%Tidal 35 HOB Power Filter (Up to 35 Gal) - Seachem
Seachem$47.06$40.00Tidal™ Power Filters are designed from the ground up to provide your aquarium with high-quality, comprehensive filtration. They are easy to use and adaptable to a variety of aquarium conditions. With a host of features including a self-priming... -
On Sale 12%
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%
On Sale 15%Reef Roids Professional (150 g) Pouch - Polyplab
PolypLab$39.99$33.99Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals.The particle size of Reef-roids is around 150-200 microns. This is an ideal... -
On Sale 15%
On Sale 15%Pouch Feeder for Algae and Frozen Foods - Two Little Fishies
Two Little Fishies$23.50$19.98The 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 of seaweed, or our SeaVeggies Red Seaweed whole plants... -
On Sale 15%
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...