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Reef Advantage Calcium (1KG) - Seachem
Seachem$26.74Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes... -
Replacement Orbit Marine/IC LED Light Manifold HUB with LOOP (3227) - Current USA
Current USA$24.99For connecting up to 2 Orbit IC LED lights or Orbit Marine V2 LED lights. Features LED indicator light that displays connection status, IC protection (short circuit, overload, over voltage), and black silicone splash cover. Compatible with: Orbit... -
Flipper MAX FLOAT Algae Magnet Cleaner 5/8"- 1.0" Tanks
Flipper$94.99For Glass and Acrylic Tanks Up to 1" (24mm) Thickness Scrub, Flip, Scrape, and Now *FLOAT* with the patented FL!PPER Aquarium Cleaner. The new Floating FL!PPER is the last aquarium cleaning tool you will ever need! Flipper's patented design... -
On Sale 22%
(DAMAGED BOX) HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments
Hanna Instruments$63.95$49.99Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in... -
Apex 1LINK - Power and Communication Module - Neptune Systems
Neptune Systems$114.991LINK™ – Easy, one-click installation The WAV is the first of a line of aquarium products from Neptune Systems that will use a completely new interface. While many in the aquarium world continue to embrace wireless technologies for... -
Apex FMM Leak Detection Probe Low Profile (LD-1) - Neptune Systems
Neptune Systems$34.99Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place. Don’t have carpet, see the next... -
Mega Veggie Mag - Two Little Fishies
Two Little Fishies$49.99The Mega VeggieMag for Big Fish uses extra-strong magnetic attraction instead of a suction cup to hold the SeaVeggies clip in place, for aquariums with 1/2" to 3/4" windows! It’s easy to position at any level in the aquarium, and easy to retrieve... -
1/2" Socket/Thread Combo True Union Ball Valves - Cepex
Cepex$25.99These industrial series PVC Schedule 80 valves are the best on the market. Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming... -
Octo VarioS-8 Controllable DC Water Pump - Reef Octopus
Reef Octopus$479.31Efficiency: 36V / 98watts 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-8 pump,... -
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 boxes and 0-10v based devices to warning lights and... -
On Sale 15%
360 Full Angle 90 Degree Gooseneck Mounting Adapter - Kessil
Kessil$30.00$25.50The Full Angle Adapter is a unique solution to properly lighting your aquarium. Compatible with the mounting arm, gooseneck adapter, and DIY mounting solutions, the Full Angle Adapter allows your light to be angled to reduce shadowing caused by large... -
Octo VarioS-4 Controllable DC Water Pump - Reef Octopus
Reef Octopus$339.99Efficiency: 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 pump,... -
Waste-Away Natural Aquarium Cleaner for Reef Aquaria (8 oz) - Dr Tim's
Dr Tim's Aquatics$14.99Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and... -
30 Small Glass Algae Magnet - MagFloat
MagFloat$19.59Glass aquarium cleaner Recommend to be used on aquariums up to 30 gallons with a surface thickness up to 3/16” Product dimensions: (2 3/8” x 1 3/8” x 1”) -
Life Rock MEGA Arch (24") Single Arch - CaribSea
Caribsea$223.99A Single Long 24" Mega ArchReal aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for all fish and inverts, environmentally responsible each... -
HI758-11 Marine Calcium Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$24.99The Marine Calcium Checker® HC Calibration Check Set - HI758-11 provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is... -
Classic 110 INT Protein Skimmer - Reef Octopus
Reef Octopus$269.99Classic In-Sump Protein Skimmer A member of the Reef Octopus Classic Series, this popular in-sump skimmer will provide great filtration for aquariums up to 130 gallons. As with every Reef Octopus protein skimmer, the Classic 110INT is... -
Quantum 120 Skimmer (up to 125 Gallons) - NYOS Aquatics
NYOS$339.99The NYOS® Quantum® 120 is an efficient and silent high performance skimmer for tanks up to 500 litres (125 gal). Pump: Quantum® 1.0Air max... -
Aqua Sponge Aquarium Floor Mat - XXL Runner (58" x 30") - Cobalt
Cobalt Aquatics$69.99Keeps Floors Clean & Dry when your working on your tank. We all splash water on the floor during water changes, fragging sessions or when we are just messing around in your tank. The Cobalt Aqua Sponge Floor Mat is the ultimate addition... -
Chromys Mysis Fish & Coral Food (250 ml - 8.5 oz) - NYOS
NYOS$19.99With NYOS® CHROMYS you get a liquid zoological plankton concentrate which can be used directly. CHROMYS contains high-quality Mysis relicta (0.2-20mm). This provides ideal nutrition for numerous seawater fish and LPS corals. CHROMYS strengthens... -
Medium CO2 Protein Skimmer Air Scrubber - Icecap
Icecap$103.99The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer just by connecting the air intake on your protein skimmer to the output side of the CO2 scrubber. Includes color changing CO2 removing media. Raise pH... -
Razor+ 2-in-1 Algae Magnet Scraper Small - Fluval
Fluval$31.99Go from scraper to scrubber in one simple snap with the Razor+ 2-in-1 Algae Magnet. For up to 6 mm glass thickness. (0.25 inches). 2-in-1 design allows user to change from scraping to scrubbing mode in one simple flip Non-abrasive scrubber is... -
Large Fish Trap (10" x 8" x 8") - IceCap
Icecap$63.99IceCap Fish Trap disassembles for space-saving storage and assembles in minutes. Bait with food and as soon as the desired fish is inside the trap simply release the mechanism to close the trap door. The traps holds in place with two enhanced... -
Classic 110 SSS Protein Skimmer - Reef Octopus
Reef Octopus$289.99Attractive, Ultra Compact and Affordable Filtration The sleek and compact Reef Octopus Classic 110SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 130 gallons where sump space may be limited. The Reef Octopus Classic... -
AI Prime 16HD FUGE Aquarium LED, Black - AquaIllumination
AquaIllumination$264.99Looking for the Perfect Refugium LED? Look no further. The main driver of primary production in most ecosystems is photosynthesis. Plants, ranging from miniscule phytoplankton to hulking mangroves, carry out the bulk of photosynthesis in most... -
CSPDI 4 Stage Standard 90-GPD RO/DI System Manual Flush - (CSPDI-90-MF) - Spectrapure
Spectrapure$331.99SpectraPure® Low Waste 90 GPD CSPDI 4 Stage RODI System with Manual Membrane Flush. CSPDI incorporates SpectraPure’s individually tested, 98% ultra high rejection SpectraSelect Plus TFC membrane, 0.5 Micron Sediment and 0.5 Micron Carbon... -
White Standard Aquarium Controller Mounting Board - Adaptive Reef
Adaptive Reef$153.99The perfect solution to help organize and control the rat's nest of wires that most aquariums suffer from. This board was created to easily allow you to mount an apex, power strips, equipment controllers and much more so they are easily accessed an... -
Nano Protein Skimmer (10-35 Gallon) - Eshopps
Eshopps$159.98Eshopps Nano skimmer for 10-35 gallon aquariumsNo room for a quality protein skimmer? Think again. The Eshopps Nano Skimmer has a small footprint of just 4 1/2" x 2 1/4" x 11 1/2" high that allows convenient placement in small spaces- perfect... -
Bulk GFO Phosphate Reducer (4 lbs)
Kolar Labs$119.06This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium skeleton in corals. There are several different methods for... -
Advantage 2000 Inline Sterilizer 15 Watt - Aqua Ultraviolet
Aqua Ultraviolet$213.45The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness. Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes... -
AI Hydra 64 HD Aquarium LED, Black - AquaIllumination
AquaIllumination$759.99Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the... -
AI Hydra 32 HD Aquarium LED, White - AquaIllumination
AquaIllumination$429.99Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the... -
Real Reef Small Rock (10 lb) Box (4 - 8" Rocks) - Real Reef
Real Reef$69.99Rock Sizing: 4-8″ - Smaller Sized Rocks Real Reef Rock is our standard reef building rock. It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It... -
On Sale 15%
A80 Tuna Blue Saltwater Aquarium LED - Kessil
Kessil$139.00$118.15DesignInnovative heat dissipation allows for fanless, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a beautiful shimmer.Dense Matrix LED ArrayOur unique, efficient Dense Matrix LED array is built in-house and packs... -
Syncra SDC 7.0 WIFI Return Pump (800 - 1900 gph) - Sicce
Sicce$429.99SYNCRA SDC are the latest generation of SYNCRA pumps and are equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. With programming freedom, controllability is finally coupled with power, energy... -
Advantage 2000+ Hang On Sterilizer 15 Watt (1/2" Barb) - AquaUltraviolet
Aqua Ultraviolet$213.45The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness. Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes... -
1-1/4" Socket/Thread Combo True Union Ball Valves - Cepex
Cepex$48.99These industrial series PVC Schedule 80 valves are the best on the market. Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming... -
1-1/2" Socket/Thread Combo True Union Ball Valves - Cepex
Cepex$54.99These industrial series PVC Schedule 80 valves are the best on the market. Cepex offers a complete range of ball valves in PVC-U and PVC-C (both manual and automatic), featuring the “Antiblock” system which prevents ball jamming... -
Octo VarioS-2 Controllable DC Water Pump - Reef Octopus
Reef Octopus$259.99VarioS 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... -
Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems
Neptune Systems$109.99Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe...