100 Micron Felt Fine Polish Filter Sock Bag
These felt bags are very effective at trapping particulate matter in the thick wall of the bag. 100 micron felt bags are designed to provide fine 'polishing' of water that is already low in particulate matter (mature aquariums).
225 Micron Felt Filter Sock Bag
225 micron felt bags are ideal for regular day to day use and enable a longer period between cleaning than with the 100 micron bags.
Aiptasia-X is a unique, thick adhesive mixture that globulates on contact with the aquarium water. It is easily injected near to the oral disk of the anemone and stimulates the anemone to ingest the material without causing it to withdraw.
Aiptasia-X is a unique, thick adhesive mixture that globulates on contact with the aquarium water. It is easily injected near to the oral disk of the anemone and stimulates the anemone to ingest the material without causing it to withdraw.
Alkalinity Pro Titrator Refill
Red Sea's KH\ALKALINITY PROReef Test Kit Refill is an advanced titration test refill, measuring the level of buffers in your reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dKH).
Aqua One ReefSys 255L - Aquarium and Cabinet - Black Ash
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 255L - Aquarium and Cabinet - Boston Concrete
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 255L - Aquarium and Cabinet - Matt White
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 255L - Aquarium and Cabinet - Natural Nebraska Oak
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 255L - Aquarium and Cabinet - Pasadena Pine
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 255L- Aquarium and Cabinet - Grey Nebraska Oak
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 434L - Aquarium and Cabinet - Black Ash
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 434L - Aquarium and Cabinet - Boston Concrete
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua One ReefSys 434L - Aquarium and Cabinet - Pasadena Pine
The ReefSys range is a beautiful, sleek marine fish tank. The most outstanding feature is the ultra-clear, low iron glass that is immediately evident. The cabinet hides a sump that is a hybrid of glass and movable plexiglass partitions. which allow you to customise the layout to accommodate your protein skimmer, pump etc.
Aqua-T Handy Angle Glass Scraper
Effortless removal of stubborn deposits on the aquarium pane: 15° angled glass pane cleaner with stainless steel blade Easy handling thanks to 30 cm long sturdy grip: blade width: 7 cm, also suitable for curved front panes Safe: protective cap against injuries when not in use. No damage to the aquarium's silicon seal Spare blades available separately Package contents: angled glass pane cleaner, Aqua-T Handy Angle, size: 30 x 8 cm
Effortless removal of persistent deposits on the aquarium panes: glass pane cleaner with stainless steel blade Easy handling thanks to sturdy grip: blade width 7 cm, also suitable for curved front panes Safe: protective cap against injuries when not in use. No damage to the aquarium's silicon seal Spare blades available separately Package contents: 1 magnetic glass cleaner, Aqua-T Handy, size: 8 x 13.5 cm
Effortless removal of stubborn deposits on the aquarium pane: glass pane cleaner with stainless steel blade and rubber scraper (= protective cap) Easy handling thanks to wide blade: 14 cm, also suitable for curved front panes Safe: rubber scraper serves as protection cap, no damage to the aquarium's silicon seal Spare blades available separately Package contents: 1 glass pane cleaner incl. stainless steel blade and blade protection (= rubber scraper)
C.O.B. (Chip On Board) Nano LED - 6.5W
Offering a hybrid spectrum and 9000K colour temperature that supports fish-only marine tanks as well as plant and coral species that require lower light levels, C.O.B provides flexibility for your freshwater or saltwater nano aquarium.
Red Sea's CALCIUM PRO Reef Test Kit is an advanced calcium titration test refill, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm.
Red Sea's CALCIUM PRO Reef Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm.
Skimmer cleaning head for the 1000i and 1000ix Deltec skimmer models.
Skimmer cleaning head for the 1500i and 1500ix Deltec skimmer models.
IODINE+ Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals.
Coral Colours ABCD - pack (4 X 100ml)
Red Sea's Trace Colors A|B|C|D Provides the 31 minor and trace elements required by corals.
Coral Colours B 500ml Potassium+
POTASSIUM+ Supplement contains potassium and boron that are associated with many biological processes, one of them being the production of the red pigments in the soft tissue of corals.
IRON+ Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs for coral growth.
Coral Colours D 500ml Bioactive Elements
BIOACTIVE ELEMENTS Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals.
Coral Pro Reef Salt 20kg Refill Box
Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed to meet the needs of today`s advanced hobbyist.
D-D Dual Heating & Cooling Controller
The Dual Digital Temperature Controller is designed to allow precise control of the temperature in an aquarium and has 2 modes that allow control of both heating and cooling at the same time.
D-D Gen 2 Slimline Designer Bracket Silver
D-D has modified the design of the D-D Gen 2 Slimline Bracket to fasten directly to the top of the lights. With the Gen 2 version, you can now slide the light back and forwards to cope with different widths of tank and also rotate so that the lights can be positioned along the length or across the width of the aquarium.
New to 2021, the D-D range of pure titanium heaters is available in four new sizes to suit all marine, reef and freshwater aquariums.
New to 2021, the D-D range of pure titanium heaters is available in four new sizes to suit all marine, reef and freshwater aquariums.
DipX is a highly effective dip for safely introducing new corals and live rocks to your aquarium. A simple 15-minute bath in DipX before placing a new coral in the aquarium will drive away unwanted "hitchhikers", thereby maintaining the safety of your reef.
DipX is a highly effective dip for safely introducing new corals and live rocks to your aquarium. A simple 15-minute bath in DipX before placing a new coral in the aquarium will drive away unwanted "hitchhikers", thereby maintaining the safety of your reef.
DipX is a highly effective dip for safely introducing new corals and live rocks to your aquarium. A simple 15-minute bath in DipX before placing a new coral in the aquarium will drive away unwanted "hitchhikers", thereby maintaining the safety of your reef.
Fl!pper Max - Flipper for aquariums up to 25mm. Replacement Blades
Each package contains two Max stainless steel replacement scraper blades. For optimal cleaning performance, replace blades every 3-6 months.
Fluval PS1 Protein Skimmer, up to 45 US Gal (170 L)
The Fluval PS1 offers the same great protein-skimming performance of larger alternative brands, but with a space-saving, ultra-silent design that keeps the attention on your reef.
Fluval Sea EVO 52L - Aquarium Setup
Go big in a small way! The all-new EVO nano saltwater kit packs the same performance features as a marine reef tank several times its size, but at just 52 litres, it is small enough to fit on most desks or countertops.
Fluval Sea PS2 Mini Protein Skimmer 20-80 L
Compact yet powerful, the PS2 Protein Skimmer helps remove dissolved organic compounds and other harmful substances from your nano aquarium before they have a chance to break down into dangerous waste.
Foundation Skeletal Elements 1kg
SKELETAL ELEMENTS is a blend of all of the corals foundation elements of coral skeletons: Calcium, magnesium, strontium & carbonate, with the addition of potassium, bromine and iodine in the unique ratio required by corals.
Foundation Skeletal Elements 5kg Powder
SKELETAL ELEMENTS is a blend of all of the corals foundation elements of coral skeletons: Calcium, magnesium, strontium & carbonate, with the addition of potassium, bromine and iodine in the unique ratio required by corals.
KH Coralline Gro is a complex of carbonate buffers, potassium and trace elements such as iron, formulated in the ratio taken up regularly by the coralline algae.
Marine Care Program Nitrate / Nitrite Test Kit
This kit is essential during the maturation of all marine and reef aquariums and is suitable for ongoing algae management with Red Sea's NO3: PO4-X in fish-only systems.
Red Sea's user-friendly Calcium Marine Test Kit provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to your needs.
Max Nano 100 Thin-Mesh Filter Sock Bag (x2)
These 5cm diameter filter bags are specially designed for Red Sea's MAX NANO aquariums.
Red Sea's Nitrate Pro Reef Test Kit Refill 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 Comparator Test Kit
Red Sea's Nitrate Pro Reef 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.
NO3:P04-X Algae Reducer (NOPOX) 1000ml
NO3:PO4-X is the original, safest, most popular, and best solution that provides a full, reef-safe, controllable method for nitrate and phosphate reduction, thereby boosting coral growth and coloration in any reef or marine fish system.
NO3:P04-X Algae Reducer (NOPOX) 100ml
NO3:PO4-X is the original, safest, most popular, and best solution that provides a full, reef-safe, controllable method for nitrate and phosphate reduction, thereby boosting coral growth and coloration in any reef or marine fish system.
NO3:P04-X Algae Reducer (NOPOX) 500ml
NO3:PO4-X is the original, safest, most popular, and best solution that provides a full, reef-safe, controllable method for nitrate and phosphate reduction, thereby boosting coral growth and coloration in any reef or marine fish system.
NYOS® AQUA PURE is a mixed-bed resin, the use of which provides very pure output water. Advantages Very economical due to its high absorption capacity Removes reliably any ions that may remain behind the reverse osmosis system, such as unwanted silicates, nitrates, phosphates, heavy metals, etc. Regular use prevents planaria, and diatoms and red algae
Nyos Balling Salt Calcium+ 1000g
Nyos® CALCIUM+ is a high purity calcium chloride. With CALCIUM+ you can raise the calcium content in your saltwater aquarium quickly and simply. HOW TO DOSE : Pre-mixed solution (recommend): Mix 1000g (2.2lb) of CALCIUM+ to 2000ml (0.53 gal) of RODI Water. This solution contains 135,000 mg/l Ca (135,000 ppm Ca). 7.4ml (0.95fl oz) of this solution will increase the calcium value in a 100L (100 gal) aquarium by approximately 10mg/l (10ppm). This is a reference value; the actual dosage amount may vary.
Red Sea's Potassium Pro Reef Test Kit Refill is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm.
Red Sea's Potassium Pro Reef Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm.
Twin pack of chemical-resistant, reusable silicone tubing suitable for the inside hose connector of both the 500ml and 1000ml bottles
Red Sea Coral Pro Reef Salt 22kg
Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed to meet the needs of today`s advanced hobbyist.
Red Sea Coral Pro Reef Salt 7kg
Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed to meet the needs of today`s advanced hobbyist.
Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth.
ReefDose is designed and built specifically for the daily supplementing of reef aquariums.
ReefDose is designed and built specifically for the daily supplementing of reef aquariums.
RedSea ReefDose 4 Tube Holder (incl. tips)
Dosing tube sump holder and ends for your Red Sea ReefDose tubes 4 tube holder (incl. tips) R35353
RedSea ReefDose Accessory Kit - Blue and Green
Everything required to connect a dosing pump in one convenient kit.
RedSea ReefDose Accessory Kit - Yellow and Red
Everything required to connect a dosing pump in one convenient kit.
Reef Energy Plus AB+ - Coral Nutrition 1L
Reef Energy Plus AB+ is an 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.
Reef Energy Plus AB+ - Coral Nutrition 250ML
Reef Energy Plus AB+ is an 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.
Reef Energy Plus AB+ - Coral Nutrition 500ML
Reef Energy Plus AB+ is an 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.
Reef Foundation 3 x 250ml Starter Pack
Red Sea's Foundation™ Supplements Complete 3 x 250ml Starter Pack contains all of the essential foundation elements required in order for corals to thrive within the reef aquarium.
Reef Foundation A Calcium+ Liquid 1000ml
Red Sea's CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea's complete Reef Care Program.
Reef Foundation A Calcium+ Liquid 5000ml
Red Sea's CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea's complete Reef Care Program.
Reef Foundation A Calcium+ Liquid 500ml
Red Sea's CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea's complete Reef Care Program.
Reef Foundation A Calcium+ Powder 1kg
Red Sea's CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea's complete Reef Care Program.
Reef Foundation B KH/Alkalinity Liquid 1000ml
Red Sea's KH/ALKALINITY is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Sea's complete Reef Care program.
Reef Foundation B KH/Alkalinity Liquid 500ml
Red Sea's KH/ALKALINITY is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Sea's complete Reef Care program.
Reef Foundation B KH/Alkalinity Powder 1KG
Red Sea's KH/ALKALINITY is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Sea's complete Reef Care program.
Reef Foundation C Magnesium Liquid 1000ml
Red Sea's MAGNESIUM contains blended salts of magnesium and is part of Red Sea's complete Reef Care Program.
Reef Foundation C Magnesium Liquid 5000ml
Red Sea's MAGNESIUM contains blended salts of magnesium and is part of Red Sea's complete Reef Care Program.
Reef Foundation C Magnesium Liquid 500ml
Red Sea's MAGNESIUM contains blended salts of magnesium and is part of Red Sea's complete Reef Care Program.
Reef Foundation Magnesium Pro Titrator Test Kit
Red Sea's MAGNESIUM PRO Reef Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm.
Red Sea's Reef Mature Pro is a complete step by step program that prepares a new marine aquarium for the long term success of an artificial reef.
Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics.
Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics.
Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics.
Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics.
REEF-SPEC Media Bag 1000ml (10"x5.5")
High quality draw-string nylon media bag
ReefDose Dosing Tubes 4 x 3m (Blue/Green)
Blue Green Colour Set R35359 - Dosing tubes for your Red Sea ReefDose (or any other doser)
ReefDose Dosing Tubes 4 x 3m (Red/Yellow)
Red Yellow Colour Set R35359 - Dosing tubes for your Red Sea ReefDose (or any other doser)
Filter Media Cup (as supplied with the new V3 Reefers).
Our high-performance REEF-SPEC® Skimmers feature a combination of PSK pumps with proportionally sized venturi, bubble diffusor, and reaction body that optimizes air-water contact time for steady waste removal.
Our high-performance REEF-SPEC® Skimmers feature a combination of PSK pumps with proportionally sized venturi, bubble diffusor, and reaction body that optimizes air-water contact time for steady waste removal.
ReefLED mounting arms attach firmly onto the rear wall of the tank and can be rotated into an upright position during reefscaping or tank maintenance. Set at the correct height above the aquarium the mount arm can be adjusted to suit tank widths of 57-80cm with glass thickness of 8-19mm.
ReefLED 50 Universal Mounting Arm
A universal mounting arm attaches firmly onto the rear wall of the tank and can be rotated from side to side during reefscaping or other tank maintenance. Suitable for tank widths from 36-51cm / 14"-20" glass thickness of 8-15mm / 5/16" - 3/8"
ReefLED 90 Universal Mounting Arm
The ReefLED 90 (R35136) Universal Mount Arm attaches firmly onto the rear wall of the tank and can be rotated to the upright position during reef-scaping or other tank maintenance. Set at the correct height above the aquarium, the mount arm can be adjusted to suit tank widths of 46-70cm and with glass thickness of 8-19 mm.
Red Sea's Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25oC
The multi-light RMS offers a customizable multi light mount solution for Radion XR30 and Radion XR15 lights.
Red Sea Salt contains moderately elevated and balanced levels of the foundation elements (Calcium, Magnesium, Bicarbonates) necessary for sustainable coral growth.