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On Sale 10%
On Sale 10%AR618 Algae Reactor 2024 - RED - Geo's Reef
Geo's Reef$599.00$539.10The NEW 2024 GEO Algae Reactor is designed to filter your aquarium water by removing phosphates, nitrates, Co2 and help raise your aquarium pH without the use of artificial media. This amazing reactor incorporates two external 30 watt CRIMSON LED... -
On Sale 10%
On Sale 10%NR618 Nitrate Reducing Sulfur Reactor GEN 3 "Saltwater Blue Edition" - Geo's Reef
Geo's Reef$549.00$494.10The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with large... -
On Sale 15%
On Sale 15%Set of 2 Quick Release Lever (Metric M6) Thumbscrew Replacement - Slide Loc
Slide Loc$9.99$8.49Our latest evolution is to take on the meek and humble thumbscrew... often a thorn for hobbyists... and replace it with what can only be described as a massive leap forward. The Patent Pending lever replaces the need for many nylon thumb screws... -
On Sale 10%
On Sale 10%Classic CR818 GEN 3 - 8" Calcium Reactor "Saltwater Edition" w/ Pump - Geo's Reef
Geo's Reef$775.00$697.50*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited for large SPS reef displays and... -
On Sale 10%
On Sale 10%6-18 Bio Mass Reactor - Bashsea
Bashsea$289.00$260.10The ultimate maintenance free biological filter. Dimensions: 12.25" x 7.25" 18" Base Dimensions: 7.25" x 12.25" Chamber Dimensions: 6" Water Input: 0.5" Air Input: 0.125" or 1/8" Drain" 1" Water Flow Rate: 150 - 250 Gallons Aquarium Size: 50 -... -
On Sale 20%
On Sale 20%BioChurn 120INT Biopellet Reactor - Reef Octopus
Reef Octopus$265.64$212.51Rated 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... -
On Sale 20%
On Sale 20%BioChurn 90INT Reactor with HOB Bracket - Reef Octopus
Reef Octopus$230.99$184.79Reef Octopus BioChurn Biopellet reactor series take a new approach of efficiently fluidizing the biopellet media without blasting the media itself with direct flow pressure. The unique motion these innovative reactors produce allow for much greater... -
On Sale 20%
On Sale 20%MF 2000 Advanced Media Reactor (Up to 375 gal) - Reef Octopus
Reef Octopus$219.44$175.55Rated up to: 375gal Marine / 750gal Freshwater Dim: 5.5" x 5.5" | Body Diameter: 4"" | Height: 21.75"Great for activated carbon, Large GFO, synthetic phosphate removers and other similar medias. Advanced Hobbyist Media Filter Our professional line... -
On Sale 5%
On Sale 5%RedFlex Bio Reactor (up to 125 Gallons) - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$129.99$123.49Our Bio Reactors are made with high quality acrylic and are offered in two sizes. The reactor works by pushing the water from the bottom and towards the top while moving through the dispersion plate. This ensures that the water is evenly... -
On Sale 20%
On Sale 20%4" Space Saving Media Reactor - Adaptive Reef
Adaptive Reef$179.99$143.99Boost Filtration & Save Space with Adaptive Reef Perfect for Both Small and Large Aquarium Systems Holds Two Different Media Types Separately in a Single Reactor Choose Between 4" and 5" Models Adjustable Design with Precision Control for... -
On Sale 10%
On Sale 10%NR818 Nitrate Reducing Sulfur Reactor GEN 3 - RED - Geo's Reef
Geo's Reef$775.00$697.50The NR818 shown below will hold roughly 20 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 300-600 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with... -
On Sale 20%
On Sale 20%KS250 Nilson Kalkwasser Reactor - Reef Octopus
Reef Octopus$623.69$498.95Rated 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... -
On Sale 20%
On Sale 20%5" Space Saving Media Reactor - Adaptive Reef
Adaptive Reef$234.99$187.99Boost Filtration & Save Space with Adaptive Reef Perfect for Both Small and Large Aquarium Systems Holds Two Different Media Types Separately in a Single Reactor Choose Between 4" and 5" Models Adjustable Design with Precision Control for... -
On Sale 10%
On Sale 10%KR818 Kalkwasser Reactor GEN3 - RED - Geo's Reef
Geo's Reef$604.00$543.60*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* This is the latest model GEO Kalkwasser Reactor GEN3. We have made many changes over the years to provide a better product. We use... -
On Sale 5%
On Sale 5%RedFlex Bio Reactor (up to 90 Gallons) - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$104.99$99.74Our Bio Reactors are made with high quality acrylic and are offered in two sizes. The reactor works by pushing the water from the bottom and towards the top while moving through the dispersion plate. This ensures that the water is evenly... -
CO2 Regulator Set 600 - Eheim
EHEIM$249.99EHEIM CO²Set600 without bottle Aquarium water usually contains too little carbon dioxide (CO2) as it has already been extracted from the tap water at the waterworks. In addition to light, nitrogen, phosphate and trace elements, etc., the most... -
On Sale 20%
On Sale 20%BioChurn 90EXT HOB Reactor - Reef Octopus
Reef Octopus$323.39$258.71Rated 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... -
On Sale 10%
On Sale 10%NR818 Nitrate Reducing Sulfur Reactor GEN 3 "Saltwater Blue Edition" - Geo's Reef
Geo's Reef$775.00$697.50The NR818 shown below will hold roughly 20 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 300-600 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with... -
On Sale 10%
On Sale 10%Classic CR818 GEN 3 - 8" Calcium Reactor RED w/Pump - Geo's Reef
Geo's Reef$775.00$697.50*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited for large SPS reef displays and...