The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your dosing. When combined with...

Prevent floods by adding the super-easy-to-install Flood Guardian to your RO or RO/DI System. Never worry about forgetting to turn off your RO/DI system or overfilling your reservoir again! Simply mount the magnetically-mounted sensor to any...

Special Reef Sand is a coarse mix of 1-3 mm size aragonite sand sustainably harvested from pristine sites in the Western Pacific and Caribbean. Sterilized then packaged with live BioPronto, naturally occurring beneficial microorganisms that help to...

There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and “play area” for fish, but provide nice nooks and shelf areas for inverts too. CaribSea...

A 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...

The NYOS® Quantum® 160 is an efficient and silent high performance skimmer for tanks up to 1.000 litres (250 gal). Extreme performance Very smooth operation Low power consumption Easy to...

95 Watts = HIGH PAR - 250+ PAR at 24" Bring your reef to a whole new level with the R24 PRO LED. Delivering a light intensity and color spectrum specifically for corals, it provides optimal growth, eye-popping color rendition, and brilliant shimmer...

ProStar Rimless Aquarium V2 This rimless glass aquarium sits on a modern cabinet, available in black or white. This aquarium is designed for saltwater use freshwater use. In addition, it includes sump filtration made of glass...