Products (3246)
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6 Way Apex Switch Toggle Box - Adaptive Reef
Adaptive Reef$134.99Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control... -
LIVE Phyto Feast Concentrate (16 oz) - Reef Nutrition
Reef Nutrition$35.00Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine... -
Regal 200 SSS Space Saving Skimmer (200-400 Gallons) - Reef Octopus
Reef Octopus$947.09The new and innovative Reef Octopus Regal 200-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons where sump space may be limited. The Reef Octopus Regal 200-SSS... -
Octo VarioS-2 Controllable DC Water Pump - Reef Octopus
Reef Octopus$311.84VarioS 2 Water Pump Specs Output thread size: 1in slip PVCInlet union size: 1in slip PVCOutlet Barb Size: 1/2-3/4in Stepped Dimensions: 4.75in(W) x 5.7in(L) x 4in(H) Voltage: DC 24VPower... -
4" USB Smart Aquarium Fan (AF120) - Reef Octopus
Reef Octopus$60.05Excellent for light canopies, enclosed stands & cabinets to control heat and improve air circulation. The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending... -
3" USB Smart Aquarium Fan (AF80) - Reef Octopus
Reef Octopus$54.27Excellent for light canopies, enclosed stands & cabinets to control heat and improve air circulation. The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending... -
LIVE Phyto Feast Concentrate (6 oz) - Reef Nutrition
Reef Nutrition$18.00Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine... -
CR220 DC Calcium Reactor 9" W/Varios 6 Pump - Reef Octopus
Reef Octopus$1,027.94VarioS CR220 9 inch Calcium Reactor SKU: OCT-CALR220 Footprint: 16.5″ x 11″ | Body Diameter: 9″ | Height: 23″ -
Protein Skimmer Stand SST3 (Footprint: 17.7" x 11") - Reef Octopus
Reef Octopus$87.99Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy... -
RGComplete Micro Algae Blend Concentrate (16 oz) - Reef Nutrition
Reef Nutrition$29.00Reef Nutrition RGComplete™ is a super-concentrated, premium quality zooplankton food and invertebrate food and enrichment for rotifers and many other filter-feeding zooplankton and invertebrates... -
RGComplete Micro Algae Blend Concentrate (6 oz) - Reef Nutrition
Reef Nutrition$19.00Reef Nutrition RGComplete™ is a super-concentrated, premium quality zooplankton food and invertebrate food and enrichment for rotifers and many other filter-feeding zooplankton and invertebrates... -
AR618 Algae Reactor 2024 - RED - Geo's Reef
Geo's Reef$599.00The 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... -
AR836 Algae Reactor 2026 (Commercial) - Geo's Reef
Geo's Reef$1,849.00The NEW 2026 GEO AR836 Algae Reactor Commercial is designed to filter your aquarium water by removing phosphates, nitrates, Co2 and help raise your aquarium pH without the use of artificial media... -
CR140 DC Calcium Reactor 5.5" W/Varios 2 Pump - Reef Octopus
Reef Octopus$531.29VarioS CR140 5.5 inch Calcium Reactor SKU: OCT-CALR140 Footprint: 12.2″ x 9.1″ | Body -
1" to Dual 1/2" Aquarium Plumbing Manifold 2 (Pre Built) - Adaptive Reef
Adaptive Reef$81.991" to Dual 1/2" Manifold designed to be used in bypass or inline. A reef aquarium manifold is typically a series of valves plumbed into the return line that can be utilized to add additional return... -
RGComplete Micro Algae Blend Concentrate (32 oz) - Reef Nutrition
Reef Nutrition$54.00Reef Nutrition RGComplete™ is a super-concentrated, premium quality zooplankton food and invertebrate food and enrichment for rotifers and many other filter-feeding zooplankton and invertebrates... -
Pharma Soda Ash 5 Gallon Mix (Single Use) - Bulk Reef Supply
Bulk Reef Supply$179.99Ultra-pure Grade Soda Ash for 2-part dosing in your reef tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it... -
24v Apex Red/Green Status Indicator (Dual) - Adaptive Reef
Adaptive Reef$99.99Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control... -
Pharma Calcium Chloride 1-Gallon Mix (Single Use) - Bulk Reef Supply
Bulk Reef Supply$8.99Ultra-pure Calcium Chloride for 2-part dosing in your reef tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it... -
White Neptune Systems Custom Controller Board (V2) - Adaptive Reef
Adaptive Reef$379.99Elevate Your Aquarium's Tech Setup! Halo-Lit & Face-Lit 3D Logo for a High-Tech Look Full RGB Lighting Customization to Match Your Setup Ample Space for Equipment with Easy Access Designed for... -
Bubble Blaster 5000 Skimmer Pump (HY-5000S) - Reef Octopus
Reef Octopus$415.79Our Bubble Blaster skimmer pumps are a true innovation to the aquarium hobby. At the same time, most other skimmer pumps on the market are modified water pumps fitted with a modified impeller to draw... -
Protein Skimmer Stand SST2 (Footprint: 13" x 9") - Reef Octopus
Reef Octopus$82.49Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy... -
Octo Pulse 2+ Wave Pump (1600 gph) - Reef Octopus
Reef Octopus$404.24Max Flow: 1,600gph | 5~10watts | 20 - 80+ gallons Includes: Pulse 2 pump, power supply and new WiFi Controller with mounting cradle. Applicable for glass or acrylic aquariums up to 1/2 in. -
KR818 Kalkwasser Reactor GEN3 - "Saltwater Edition" - Geo's Reef
Geo's Reef$754.00*******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... -
Black Neptune Systems Custom Controller Board (V2) - Adaptive Reef
Adaptive Reef$379.99Elevate Your Aquarium's Tech Setup! Halo-Lit & Face-Lit 3D Logo for a High-Tech Look Full RGB Lighting Customization to Match Your Setup Ample Space for Equipment with Easy Access Designed for... -
Truereef Aquarium Coral Magsafe Photo Lens (Gouda Cheese) 450 Yellow - Maxspect
Maxspect$49.99The Secret Ingredient for Electrifying Coral Photos Tired of your stunning reef tank photos being washed out by harsh blue light? The (Gouda Cheese) 450 Yellow (True-Reef Filter Lens) is the... -
Controller Cabinet V2 Wire Management System - White - Adaptive Reef
Adaptive Reef$399.99Organize Your Aquarium Tech in Style! Removable Magnetic Clear Door for Easy Access Interchangeable Faceplates to Customize Your Setup Built-In Wire Management System for a Clean... -
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Meridian 11/24 Side-of-Tank Mounts (Silver) - Reef Breeders
Reef Breeders$49.99The ReefBreeders Meridian Side-of-Tank Mounts offer a practical, sturdy, and highly adjustable solution for securely mounting your Meridian LED fixture directly to your aquarium rim. Designed for... -
Protein Skimmer Stand SST1 (Footprint: 11" x 7.5") - Reef Octopus
Reef Octopus$76.99Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy... -
Octo VarioS-6 Controllable DC Water Pump - Reef Octopus
Reef Octopus$450.44Efficiency: 36V / 70watts Dimensions: 3.75in(W) x 5.7in(L) x 5.5in(H) Controller Features: multiple pause times, float switch safety and 0-10v input for 3rd party controllerIncludes:... -
On Sale 20%
On Sale 20%Shrek Green Yuma Mushroom WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$109.99$87.99Shrek Green Yuma Mushroom WYSIWYG (Egg crate squares are 3/4") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Shrek Green Yuma Mushroom... -
Octo VarioS-4 Controllable DC Water Pump - Reef Octopus
Reef Octopus$404.24Efficiency: 24V / 40watts Dimensions: 3.75in(W) x 5.7in(L) x 5.5in(H)Controller Features: multiple pause times, float switch safety and 0-10v input for 3rd party controllerIncludes: VarioS-4... -
Controller Cabinet V2 Wire Management System - Black - Adaptive Reef
Adaptive Reef$399.99Organize Your Aquarium Tech in Style! Removable Magnetic Clear Door for Easy Access Interchangeable Faceplates to Customize Your Setup Built-In Wire Management System for a Clean... -
BioSphere Bio Pellets (1000 ml) Reduces Nitrates & Phosphates - Reef Octopus
Reef Octopus$58.79Bio-Spheres biopellet media is a 100% pure biologically degradable polymer solid carbon source that helps reduce nitrates and phosphates within a marine environment by encouraging the growth of... -
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Leak Detector for ReefATO+ (R35628) - Red Sea
Red Sea$59.95Fits: Red Sea ReefATO+ REEF-SPEC Titanium Leak Detector for ReefATO+ Detects RO & Seawater 3m / 10' Cable -
Octo Pulse 4+ Wave Pump (4500 gph) - Reef Octopus
Reef Octopus$461.99Max Flow: 1,600gph | 5~10watts | 20 - 80+ gallons Includes: Pulse 2 pump, power supply and new WiFi Controller with mounting cradle. Applicable for glass or acrylic aquariums up to 1/2 in. -
ICP Water Testing Analysis (1 Test) (w/ Prepaid Shipping Label) - Reef Labs
Reef Labs$39.95Testing is Performed in Bradenton FLORIDA USA! Kit includes a prepaid USPS Label. Looking for an accurate, comprehensive, fast, and easy way to test your aquarium? Then look no further! Reef Lab's... -
Blade/Radion XR30 Perpendicular Hybrid Mount Bracket - Adaptive Reef
Adaptive Reef$49.99Combine the Best of Both Worlds Compatible with AquaIllumination Blade and EcoTech Radion XR30 Fixtures Sleek and Durable Design Perfect for Custom Hybrid Lighting Solutions Easy Installation...