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On Sale 12%
48" x 31" Customizable DIY Aquarium Screen Net Cover Kit (R42082) - Red Sea
Red Sea$73.99$65.11Customizable 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%
Trace Colors D (500 ml) BioActive Elements - Red Sea
Red Sea$19.99$17.59Coral Color D: A complex of 18 trace elements. These 18 elements (out of all the trace elements in NSW) participate in the metabolic processes inside a coral’s skeleton and soft tissue. D elements are related to the blue/purple chromo-proteins. -
On Sale 12%
Trace Colors B - Potassium (500 ml) - Red Sea
Red Sea$19.99$17.59Coral Color B: A complex of Potassium and Boron. Potassium plays an essential role in the transportation of coral nutrients within the soft tissue (including the nutrients provided by the Zooxanthellae). Potassium and Boron significantly affect the... -
On Sale 12%
ReefMat 1200 Fleece Roller Filter - Red Sea
Red Sea$429.00$377.52The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
On Sale 12%
Reef Foundation B - Alkalinity (KH) - (5 Liter / 1.32 Gal) - Red Sea
Red Sea$109.00$95.92KH/Alkalinity Supplement Carbonate & buffer complex for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
On Sale 12%
Phosphate Pro Test Refill (PO4) - 100 Tests - Red Sea
Red Sea$30.99$27.27Reagent refill for Red Sea Phosphate Pro Test Kit. Enough reagent for 100 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available. -
On Sale 12%
ReefMat 500 Fleece Roller Filter - Red Sea
Red Sea$379.00$333.52The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
On Sale 12%
ReefDose Deluxe 4-Color Tube Kit (Red/Yellow) - 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%
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 12%
Dosing Cap Tube (2 pack) - Red Sea
Red Sea$7.99$7.03Red Sea liquid additives come with a dosing spout built in "dosing ready" bottle. You will need one of these kits to add a tube to the dosing ready bottles in order to attach them directly do a dosing pump. What's Included? 2x Red Sea Dosing Cap... -
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 12%
Net Cover Hangers Hanging Clips (R42087) - Red Sea
Red Sea$7.99$7.03Net Cover hangers | Item code R42087 Additional hangers for increased support Hanger (C) – 4 Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek... -
On Sale 12%
Max Nano 225 Micron Thin Mesh Filter Sock (2 Units) - Red Sea
Red Sea$10.99$9.67225 Micron Replacement Filter Sock for the Red Sea Max Nano -
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 12%
Max 130D Circulation Pump Upgrade Kit - Red Sea
Red Sea$67.95$59.80As part of our continued efforts to improve the performance of our products we are pleased to announce the availability of a retrofit improvement for all Red Sea MAX® 130 and 130D aquarium systems. A new single, high efficiency 1550lph (340gph)... -
On Sale 12%
Nitrate Pro (NO3) High Definition Comparator Test Kit - 100 Tests - Red Sea
Red Sea$54.99$48.39Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an exceptionally high accuracy of 0.12ppm NO3. Nitrate Pro Test Kit , when used in conjunction... -
On Sale 12%
ReefLED 90W WIFI Reef Spec LED - Red Sea
Red Sea$389.00$342.32Years of research and testing are behind Red Sea’s ReefLED™ smart reef lighting system. These lights have been designed to ensure optimal coral growth and dramatic coloration, while creating a gentle shimmer throughout the aquarium. Maximum... -
On Sale 12%
Red Sea Salt Mix Blue BOX - (Makes 160 Gallons) - Red Sea
Red Sea$79.99$70.39Red 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%
Max Nano 100 Micron Thin Mesh Filter Sock (2 Units) - Red Sea
Red Sea$10.99$9.67100 Micron Replacement Filter Sock for the Red Sea Max Nano -
On Sale 12%
ReefWave 45 Aquarium Gyre Flow Pump - Red Sea
Red Sea$369.00$324.72Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the... -
On Sale 12%
Reef Foundation B - Alkalinity (KH) (500 ml) Liquid - Red Sea
Red Sea$19.99$17.59KH/Alkalinity Supplement Carbonate & buffer complex for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
On Sale 12%
Reef Foundation B Dry - Alkalinity (KH) (1 KG) Powder - Red Sea
Red Sea$31.99$28.15KH/Alkalinity Supplement Carbonate & buffer complex for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
On Sale 12%
3-in-1 ReefATO + Auto Top Off System ATO (SALTWATER ONLY) - Red Sea
Red Sea$215.00$189.20The ReefATO+ sensor requires the electrical conductivity levels that are typical for seawater to work properly and therefore this system will not work for freshwater systems. The ReefATO+ is an exceptionally reliable auto top-off system that includes a... -
On Sale 12%
ReefCan 40L 10 Gallon Auto Top Off Container (R35632) - Red Sea
Red Sea$99.00$87.12The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,... -
On Sale 12%
Foundation Supplements Complete Pack CA, ALK, MG - (250ml) - Red Sea
Red Sea$28.99$25.51Red Sea's Reef Foundation Complete Supplement Pack contains all five of the essential foundation elements required in order for corals to thrive within the reef aquarium. Unlike the natural reef where there is an immense reservoir of foundation... -
On Sale 12%
NanoMat Replacement Fleece Roll - TWIN Pack - Red Sea
Red Sea$20.99$18.47Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. TWIN PACK. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ NanoMat 2.17”... -
On Sale 12%
ReefWave 25 Aquarium Gyre Flow Pump - Red Sea
Red Sea$319.00$280.72ased on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the... -
On Sale 12%
60" x 31" Customizable DIY Aquarium Screen Net Cover Kit (R42083) - Red Sea
Red Sea$89.99$79.19Customizable 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 friends safe... -
On Sale 12%
Reefer RSK-300 Protein Skimmer - Red Sea
Red Sea$369.00$324.72Designed with hobbyists needs in mind the highly effective flow dynamics of the REEFER™ Skimmer will maintain an optimal ORP (REDOX) level of over 350mv, a level that is normally associated with ozone treatment. RSK - 300 Footprint - 9.1... -
On Sale 12%
Reef Energy AB+ Plus Coral Nutrition (5 L) - Red Sea
Red Sea$155.00$136.40An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our long-term research, Reef Energy... -
On Sale 12%
Reef Foundation C - Magnesium (MG) (500 ml) Liquid - Red Sea
Red Sea$19.99$17.59Magnesium Supplement Magnesium supplement for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements need to be... -
On Sale 12%
Reef Foundation A Dry - Calcium (CA) (1 KG) Powder - Red Sea
Red Sea$31.99$28.15Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
On Sale 12%
ReefMat Sump Modification Kit - Red Sea
Red Sea$15.70$13.82This kit was designed to be an effective tool for removing the internals of sumps, for cutting and removing silicon & glass panels to enable the installation of the Red Sea ReefMat filter. Kit Includes: 1x - Utility Blade Handle w/Regular Snap... -
On Sale 12%
ReefDose Blue/Green Tubes - Red Sea
Red Sea$14.99$13.19Blue/Green Tubes - 4 x 3m (10') -
On Sale 12%
ReefCan 18L 5 Gallon Auto Top Off Container (R35631) - Red Sea
Red Sea$69.00$60.72The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,... -
On Sale 12%
Reef Foundation A - Calcium (CA) (500 ml) Liquid - Red Sea
Red Sea$19.99$17.59Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements... -
On Sale 12%
Coral Pro Sea Salt Mix Red BOX (Makes 160 Gallons) - Red Sea
Red Sea$79.99$70.39Red 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%
ReefDose Red/Yellow Tubes - Red Sea
Red Sea$14.99$13.19Red/Yellow Tubes - 4 x 3m (10') -
On Sale 12%
New Aquarium Owners Red Sea Starter Kit - Red Sea
Red Sea$99.95$87.96Here's a Great Kit to help you get started with your new Aquarium. This kit includes: 1x - Bucket of Red Sea Coral Pro - Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium,... -
On Sale 12%
ReefDose Doser 2 Head Wireless Dosing Pump - Red Sea
Red Sea$269.00$236.72ReefDose 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...