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Maxspect Gyre XF350 Power Supply (also works with XF330)

ULTIMATE IN CONTROL & PERFORMANCE   The new and innovative Reef Octopus Elite 150-SSS in-sump protein skimmer supplies powerful filt...

Classic Series Recirculating / External Protein Skimmers As one of the Reef Octopus Classic Series skimmers, this Classic 150ext will provi...

ReefATO+ Replacement Pump

Advanced Trace & Minor Element Supplement for all Marine Fish & Reef Aquaria   Rēplenish provides only those minor and trace ele...

Red Sea ReefRun G2 DC Pump – Silent. Powerful. Smart. Available at Reef Supplies Canada, the Red Sea ReefRun G2 DC Pump delivers high-performance, ...

Replacement ReefDose Head for ReefDose 2 and ReefDose 4

ReefMat 1200 Dispensing Shaft

Optimize Your Radion: The Right Lens Kit for Every AquariumIdeal for Deep Aquariums or High Radion MountingHigher PAR, Narrower FocusCompatible wit...

Monitor Passing Water FlowThe HYDROS Flow Sensors are easy-to-install flow meters that communicate to the HYDROS app the flow rate of water passing...

Max Flow: 4,500gph | 11~32watts | 80 - 500+ gallonsIncludes: Pulse 4 pump onlyThe new Octo Pulse 4 is a fully controllable flow pump that moves up ...

Please note: CONTROL XS ONLY - Nothing else is included.   It doesn’t just make SENSE, it Controls too!   About HYDROS Control X...

The addition of lime water is another method to increase the calcium in marine aquariums. The calcium hydroxide is dissolved in a separate c...

AquaUV 40W Classic Transformer

Gently mixes your calcium hydroxide   Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and...

The All-New Hydra® 64HD and Hydra® 32HD are here with more of what you love.   More LEDs. More Power. More Color. More Refined.   With over 20% ...

DISSOLVED OXYGEN PROBE   While the cost of the Dissolved Oxygen Module – PM3 is very reasonable, the down side is that the DO probe itse...

Real-time Monitoring of Dissolved Oxygen in Many Aquariums is a Great Safety Net Many marine aquarists only give the oxygen content in their...

Make Your Sump ReefMat-Ready in Minutes – Only at Reef Supplies! Upgrade your Red Sea REEFER sump the easy way with the Red Sea ReefMat Sump Modifi...

Bahama Nature Aquarium Sand – Sustainably Sourced, Perfect for Burrowing Animals Add a touch of nature to your marine aquarium with Bahama Nature's...