We carry aquarium canister filters from Aqueon, Fluval, OASE, and Nu-Clear. Canister filters are pressurized filters that sit below or beside the aquarium. Canister filters are used instead of power filters in bigger tanks because hang-on filters can only be made so big.

We carry the Aqueon QuietFlow, AquaClear, Emperor, OASE, JBJ Reaction, Marineland Penguin Pro, Seachem Tidal, Lifegard Aquatics Power Filters, and other aquarium Power Filters.

You can grow macro algae in a Tunze Macro Algae Reactor in order to control nitrates and phosphates. The IceCap Algae Turf Scrubbers are very similar to the algae reactor. They feature an integrated light to encourage algae growth.

We carry a wide variety of individual CO2 components (reactors, controllers, bottles, bubble counters, etc.) from Ista, and Milwaukee Instruments. We have complete CO2 kits from Ista.

Calcium Reactors, such as the Reef Octopus Calcium Reactors and Tunze Reactors, are the dream of nerdy advanced marine aquarists and the nightmare of the beginner. We're here to help!

Adding a media reactor to your tank can help increase water clarity, reduce unwanted nutrients, and reduce algal growth in your aquarium. We carry a wide variety of media reactors: TTLF Phosban Reactors, Lifegard Turbo Reactors, OCTO Media Reactors, and IceCap INT/EXT Media Reactors.

Most aquarium filter media is specific to a particular filter. We do our best to list which filters each filter media products is for. Among the filters medias we carry are all the filter media for all of the Fluval Canister Filters & Fluval FX Canister Filters, and various Marineland & OASE power filters & canister filters.

At MarineAndReef.com we do our very best to carry parts for all the canister filters and power filters we carry. We aim to have all the replacement parts for for Fluval, Fluval FX, Marineland (Eclipse, Penguin, Emperor, C-Series), OASE, AquaClear, and Nu-Clear Filters.

RO and RO/DI systems remove contaminants from tap water, making it safe for use in an aquarium. They range from very simple ones with just a sediment pre-filter and carbon filter, to five-stage RO/DI systems. We carry IceCap, SpectraPure, and AquaticLife (Classic / RO Buddie / Twist-In) RO Systems.

Refugiums have been a popular addition to reef aquariums for many years.There are many ways that a refugiums can benefit your aquarium and multiple ways to add a refugium to your aquarium. We carry Fiji Cube Refugiums (both Hang-On and In-Tank), and lights and substrate medias made specifically for refugiums.

Overflow boxes, AIO DIY Kits, sump baffle kits from FijiCube, and IceCap and Reef Octopus OCTO aquarium sumps. To piece these systems together we also have a wide selection of aquarium plumbing parts.

This section has all the filter types that do not fit into the other categories, such as Klir Automatic Filter Rollers, Reef Octopus BioChurn & BioPellet Reactors, IceCap CO2 Scrubbers, and Sponge Filters.