Newest Saltwater Products

SIX KITS REEF ICP TEST TOTAL : Simple, fast and precise   The Fauna Marin Reef ICP TOTAL Test gives a quick accurate and easy overview of over 90...

THREE KITS Professional basic ICP water analysis of the most important macro- and trace elements by the Fauna Marin Seawater Research Lab.   SIMPL...

PRICES ARE SUBJECT TO CHANGE The Blade Glow will fluoresce your tank and help your corals “pop”. Coral Glow features a LED mix that maximizes spect...

The Ultimate Return Line Upgrade!   The The Ultimate Return Line Upgrade Kit is the easiest way to upgrade your return line. This kit brings togeth...

The Ultimate Return Line Upgrade!   The The Ultimate Return Line Upgrade Kit is the easiest way to upgrade your return line. This kit brings togeth...

Creates a random flow pattern with no moving parts!   Easily Snaps onto standard 1/2in Loc-Line   Wide compatibilityWorks with genuine 1/2in Loc-L...

The new Simplicity Dosing Container is a compact vessel that holds a lot more of your Ca/Alk/Mg than you would think by looking at it.    5.0L Dos...

Free ICP test now  (as of November 19, 2025) included with every bucket! Professional Sea Salt contains all of the important macro and trace elemen...

Max Flow: 4220 GPH (16000LPH) | Max Head: 29.5 FT (9M) The VarioS 10 is a pressure-rated circulation pump that features a detachable controller, a ...

CaribSea Aragonite products set the standard for quality, consistency, and performance, backed by decades of scientific research. Designed for both...

The IceCap ATO EZ is a reliable triple optical sensor Auto Top Off management system that monitors and automates refilling evaporated water. Includ...

HYDROS Sense Port AccessoryThe Triple Optical Water Level Sensor plugs directly into a Sense Port on a HYDROS device and does not require an additi...

For aquarists with fully stocked reef tanks, Reef Salt+ is an ideal salt for you. With elevated levels of ionically balanced key macronutrients suc...

E-Marco 400Aquascape like the pros with our MarcoRocks E-Marco-400 aquascaping cement (mortar complete kit). Kit contains everything you need to pe...

Carb L is an activated carbon specifically made for permanent and long-term use.Extremely pure, vapour-activated and pre-washed activated carbon fo...

Carb L is an activated carbon specifically made for permanent and long-term use.Extremely pure, vapour-activated and pre-washed activated carbon fo...

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...

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...

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...