Color changes from Purple to Amber upon exhaustion.  Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The...

Color changes from Blue to Amber upon exhaustion.  Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there...

Our goal is to make making sure your final product water is 0 TDS. The resin we use is ideal for making laboratory grade type 1 water, which is perfect for top off water for your reef, salt and corals. We will always pack your DI in a refillable shell to...

Rated for Aquariums up to 1200 Gallons Footprint: 24" x 20.5" | Body Diameter: 16" | Height: 38"Pump: Reef Octopus Bubble Blaster 10000s- Requires a 1200-2200GPH Feed Pump to Operate High-Performance Protein skimmer The Super Reef Octopus...

Rated for Aquariums up to 700 Gallons Footprint: 20.5" x 17" | Body Diameter: 12" | Height: 29"Pump: Reef Octopus Bubble Blaster 5000- Requires a 900-1400GPH Feed Pump to Operate High-Performance Protein Skimmer The Super Reef Octopus...

Rated for Aquariums up to 600 Gallons Footprint: 18.7" x 15" | Body Diameter: 10" | Height: 27"Pump: Reef Octopus Bubble Blaster 5000- Requires a 800-1100GPH Feed Pump to Operate High-Performance Protein Skimmer The Super Reef Octopus...

Rated for Aquariums up to 300 Gallons Footprint: 14.8" x 10.25" | Body Diameter: 8" | Height: 23.75"Pump: Reef Octopus Bubble Blaster 3000 High-Performance Protein Skimmer The Super Reef Octopus 3000int is the very pinnacle of in-sump protein skimmer...

Rated for Aquariums up to 210 Gallons Footprint: 7.68" x 7.68" | Body Diameter: 6" | Height: 26"Requires control timer and feed pump Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor...

Rated for Aquariums up to 320 Gallons Footprint: 12.6" x 12.6" | Body Diameter: 10" | Height: 26"Requires control timer and feed pump Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor...

Rated for Aquariums up to 130 Gallons Footprint: 5.5" x 5.5" | Body Diameter: 4" | Height: 27.6"Requires control timer and feed pump Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor...

Orange Spotted Rabbitfish are an exciting addition to the home aquarium, with an amazing ability to rapidly change color and an insatiable appetite for eating nuisance algae. These are one of the fastest growing species we work with in aquaculture, but...

Rated up to: 200Gallons Holds: 700ml | Dim: 9.8" x 5.7"| Body Diameter: Ф5" | Height: 14.6"Feed pump: Aquatrance AQ-1200 In-SumpChurn Motion Fluidizing Biopellet Reactor Reef Octopus BioChurn Biopellet reactor series take a new approach of...

Rated up to: 100Gallons Holds: 400ml | Dim: 8.7" x 4.53"| Body Diameter: Ф4" | Height: 16.15"Feed pump: Aquatrance AQ-800 Hang On Back External Churn Motion Fluidizing Biopellet Reactor Reef Octopus BioChurn Biopellet reactor series take a...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Enhanced Skimmer Performance with Less Maintenance Automatic cleaning lids are designed to fit Reef Octopus protein skimmers wipe the neck clean for less maintenance and enhanced performance. Requires controller or timer to operate...

Tired of Scraping? Let the Tropical Turbo Snail Do the Work! Meet the workhorse of the clean-up crew, the Turbo Snail. This robust invertebrate is a must-have for any aquarist looking for a natural and effective solution to nuisance algae. With its...

Max Flow: 4100gph / Max Head: 20ft Power Consumption:250wattsDimensions (L x W x H):9.3" x 5.1" x 9.1" {1¼" inlet /1¼" outlet}Application:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps...

Max Flow: 2600gph / Max Head: 16½ft Power Consumption:125wattsDimensions(L x W x H):9½" x 5¼" x 8½" {1¼" inlet /1" outlet}Application:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water...

Max Flow: 1800gph / Max Head: 12ft Power Consumption:88wattsDimensions(L x W x H):9" x 4½" x 8.3" {1¼" inlet / 1" outlet}Application:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps are based off...

Max Flow: 1300gph / Max Head: 12ft Power Consumption:60wattsDimensions(L x W x H):9" x 4½" x 8.3" {1¼" inlet / 1" outlet}Application:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps are based off...

Max Flow: 750gph / Max Head: 9ft Power Consumption:37wattsDimensions(L x W x H):8¼" x 4¼" x 7.9" {1" inlet / ¾" outlet}Application:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps are based...

Max Flow: 550gph / Max Head: 6ft Power Consumption:22wattsDimensions(L x W x H):7" x 3½" x 7" {¾" inlet / ½" outlet}Application: Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps are...

Max Flow: 440gph / Max Head: 4.5ft Power Consumption:13wattsConnection Size:3/4in inlet | 1/2in outletApplication:Submersed or External WATER BLASTER RETURN PUMP The Reef Octopus Water Blaster pumps are based off the same design as the popular...

The HYDROS Sole is an aquarium controller hybrid with a heavy-duty liquid dosing pump designed for continuous dosing applications like controlling effluent in a calcium reactor, kalkwasser additions, dosing liquid foods, feeding a...

High PAR fixture alert! Grow any aquatic plants that your heart desires! Introducing the Finnex Planted+ 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, Planted+ Series, to...

High PAR fixture alert! Grow any aquatic plants that your heart desires! Introducing the Finnex Planted+ 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, Planted+ Series, to...

High PAR fixture alert! Grow any aquatic plants that your heart desires! Introducing the Finnex Planted+ 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, Planted+ Series, to...

Introducing the Finnex Stingray 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, the Stingray 1.0 and Stingray 2.0, to deliver an unmatched aquatic lighting experience. The...

Introducing the Finnex Stingray 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, the Stingray 1.0 and Stingray 2.0, to deliver an unmatched aquatic lighting experience. The...

Introducing the Finnex Stingray 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, the Stingray 1.0 and Stingray 2.0, to deliver an unmatched aquatic lighting experience. The...

Introducing the Finnex Stingray 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, the Stingray 1.0 and Stingray 2.0, to deliver an unmatched aquatic lighting experience. The...

Introducing the Finnex Stingray 3.0, a revolutionary leap forward in aquarium LED lighting that seamlessly combines the best features of its predecessors, the Stingray 1.0 and Stingray 2.0, to deliver an unmatched aquatic lighting experience. The...

FREE ON ORDERS OF $100 OR MORE! Provide FREE cutting-edge reef-keeping information to hobbyists to encourage responsible reef-keeping and sustainability of our hobby.  Reef Hobbyist Magazine is a reef-focused magazine that teaches hobbyists of all...

Compact but mighty new aluminum 2.5 lb CO2 cylinder. The ideal tank for so many uses. It’s perfect to pour beer and beverages at home, in addition to great pouring on the go. Plus, it’s a great portable tank for light welding and...