Biologically ideal calcium supplement for reef aquariums using the Balling method Calcium is one of the most important elements in seawater, as together with carbon dioxide it is required for the skeletons of fishes and corals in the form of calcium...

Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow many types of common macroalgaes (i.e. Chaetomorpha)...

Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow many types of common macroalgaes (i.e. Chaetomorpha)...

Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to...

Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to...

When it comes to copepods, Reef Nutrition has you covered whether you want to seed a tank, boost a population, use for feed or culture.  Pack contains 6 oz bottles of LIVE Apex-Pods, LIVE Tigger-Pods and Artci-Pods concentrate. Keep in...

Enriched L-Type Brachionus plicatilis rotifers. Highly nutritious plankton feed consisting of five million, fully intact Brachionus plicatilis marine rotifers with millions of eggs per 6 oz bottle. Excellent food...

Enriched L-Type Brachionus plicatilis rotifers. Highly nutritious plankton feed consisting of five million, fully intact Brachionus plicatilis marine rotifers with millions of eggs per 6 oz bottle. Excellent food...

Enriched L-Type Brachionus plicatilis rotifers. Highly nutritious plankton feed consisting of five million, fully intact Brachionus plicatilis marine rotifers with millions of eggs per 6 oz bottle. Excellent food...

Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine microalgae most commonly used by universities and...

Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine microalgae most commonly used by universities and...

Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine microalgae most commonly used by universities and...

A blend of the 5 marine microalgae most commonly used for their superior nutritional value for aquaculturing marine species of all kinds: Pavlova, Isochrysis, Thalassiosira weissflogii, Tetraselmis, Nannochloropsis, and Synechococcus. A blend of the 5...

A blend of the 5 marine microalgae most commonly used for their superior nutritional value for aquaculturing marine species of all kinds: Pavlova, Isochrysis, Thalassiosira weissflogii, Tetraselmis, Nannochloropsis, and Synechococcus. A blend of the 5...

A blend of the 5 marine microalgae most commonly used for their superior nutritional value for aquaculturing marine species of all kinds: Pavlova, Isochrysis, Thalassiosira weissflogii, Tetraselmis, Nannochloropsis, and Synechococcus. A blend of the 5...

A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS Corals (such...

A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS Corals (such...

A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS Corals (such...

Super-concentrated, enriched Artemia salina brine shrimp naturally high in beta-carotene! These brine shrimp are aquacultured in Western Australian salt ponds far from urban areas and pollution sources so you can be assured of its purity. Excellent...

Super-concentrated, enriched Artemia salina brine shrimp naturally high in beta-carotene! These brine shrimp are aquacultured in Western Australian salt ponds far from urban areas and pollution sources so you can be assured of its purity. Excellent...

Super-concentrated, enriched Artemia salina brine shrimp naturally high in beta-carotene! These brine shrimp are aquacultured in Western Australian salt ponds far from urban areas and pollution sources so you can be assured of its purity. Excellent...

ARCTI-PODS are a Refrigerated Food.  These are not LIVE Copepods.  This is a fish food.  Do not dump the entire container into your aquarium, you will nuke it.   Arcti-Pods® are large, nutrition-packed planktonic copepods...

ARCTI-PODS are a Refrigerated Food.  These are not LIVE Copepods.  This is a fish food.  Do not dump the entire container into your aquarium, you will nuke it.   Arcti-Pods® are large, nutrition-packed planktonic copepods...

ARCTI-PODS are a Refrigerated Food.  These are not LIVE Copepods.  This is a fish food.  Do not dump the entire container into your aquarium, you will nuke it.   Arcti-Pods® are large, nutrition-packed planktonic copepods...

These peppermint shrimp are captive-bred, tank raised & completely reef-safe, and will consume nuisance Aiptasia anemones. The name Peppermint Shrimp applies to a variety of Lysmata species that are distributed along the Eastern...

Please note: CONTROL XS ONLY - Nothing else is included. It doesn’t just make SENSE, it Controls too! About HYDROS Control XS Don’t let the compact size of the HYDROS Control XS fool you. It is perfectly capable of...

One of Mr Saltwater's Favorite Sayings on our Mr Saltwater Tank Reacts Shirt can now be yours!  Printed white on Royal Blue!

Balanced Phosphorus Source for Phosphorus-Limited, Low-Nutrient Reef Aquaria Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enables natural nitrogen uptake to take place in systems with inadequate phosphorus...

Chaeto ships UPS 2 Day Air - We only ship Chaeto Monday, Tuesday & Wednesday till 1 pm to prevent it from sitting in UPS trucks/warehouses over a weekend. Spaghetti Algae, as Chaetomorpha is sometimes referred to, grows in a tangled mass. It...

This proven and effective treatment helps kill aiptasia and prevents it from reproducing. When used properly, it is reef safe and will not harm corals or other inhabitants. If you've ever had aiptasia anemones in your prized aquarium, you'd certainly...

This proven and effective treatment helps kill aiptasia and prevents it from reproducing. When used properly, it is reef safe and will not harm corals or other inhabitants. If you've ever had aiptasia anemones in your prized aquarium, you'd certainly...

Standard replacement RODI filter holder for RO Systems.  Perfect for replacing cracked filter holders due to freezing, etc. Replacement housing for RO system Standard size for all RO systems using 10" filters 1/4" threaded in and out...

Easily attaching to the side of most aquariums up to 1″ thick, the Multi-Chamber Holding & Breeding Box provides up to 3 separate housing compartments for protecting new or fry, sick/weak fish that require acclimation. Multi-functional...

The Waterbox Cube series and the new Peninsula Mini all use the same stock inlet nozzle. To add an RFG to any of these systems, you’ll need  our 16.5mm to 1/2in Modular Hose Adapter. Adding the 16.5mm adapter will convert the end of the stock...

Apex-Pods™ are live Apocyclops panamensis copepods.  They are an excellent food source that attracts finicky fish, such as mandarin dragonets, pipefish, Anthias sp. and wrasses. Shipping: Click Here to Learn More about Shipping...

Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They are easy to...

3" Aragonite Frag Tile 5/16" thick

Oceans Wonders Coral Frag Tiles are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They are 2" x 2" and 5/16" thick.  They are made from a fused special...

3" Aragonite Frag Disk 5/16" thick

2" Aragonite Frag Disk 5/16" thick