An excess of heavy metals in the water is toxic to aquatic life. These metals may come from the water source, from foods, from artificial seawater mixes, therapeutic treatments, corroding metal equipment, magnets, pumps, etc. Mysterious ailments in...

Our NEW feeding device, MagFeeder and its accessories make feeding your fishes more effective and enjoyable. MagFeeder comes with a floating feed ring that retains flakefoods, pellets, powdered invertebrate feeds, or any food you want to dose into your...

The MagFox uses magnetic attraction to propel a small brush inside aquarium hoses and pipes, allowing it to clean away algae and other deposits that block the water flow.

Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,...

Julian’s Thing® is a NEW multi-purpose device. Use it for feeding corals, for feeding anemones, for feeding zoanthids, for feeding seahorses and other timid or slow moving fishes. Use it for applying solutions onto Aiptasia and manjano anemones...

Granular activated carbon designed specifically for water purification. Removes dissolved organic compounds that turn the water yellow. The extremely porous granules are the optimum size for use in high capacity filters, allowing high flow at minimal...

The "Care Magnet" is a breath of fresh air in the field of aquarium pane cleaner design, consisting of an ergonomic handle and special plastic blades made of wear-resistant high performance plastic. The patented slim Care Magnet is significantly more...

The Tunze Turbelle Nanostream uses the latest state of the art in technology, making it one of the best compact propeller pumps used to circulate water in aquariums or tanks. Magnet Holder with Silence clamp up to a glass thickness of 15mm...

C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts calcium, magnesium, and strontium ions to natural...

C-Balance® - Two Part Balanced Ionic Supplement of Calcium and Buffer for Marine Aquariums Manufactured by Two Little Fishies This two-part calcium and alkalinity maintenance system adjusts calcium, magnesium, and strontium ions to natural...

CO2 adsorbing media for PhosBan Reactor or similar aquarium reactors Innovative media helps keep pH-lowering CO2 out of your aquarium Replace exhausted aquarium media when it changes color to violet Tackle pH management at the source for water...

A revolutionary product developed by Julian Sprung for cleansing live stony and soft corals, zoanthids, and anemones. It is a surface cleaning dip based on plant extracts. Use for all general purpose live coral cleansing, as a part of acclimation to...

For herbivorous Marine or Freshwater Fish. Chopped natural seaweeds, harvested and dried to preserve their high nutritional value. Ideal for Tangs, Angelfish, some large Butterflyfish, Cichlids, Goldfish, Plecos, and Livebearers. NET WT. 30g (1 oz)

Super nutritious natural Green Seaweed chopped into Flakes. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish.

Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy...

Goniopower is a new blend of dried zooplankton developed by Justin Credabel as a food for Goniopora, Alveopora, and other suspension feeding marine invertebrates such as soft and stony corals, seafans, anemones, zoanthids, clams, scallops, and...

MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for filter-feeding marine invertebrates that feed on...

MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for filter-feeding marine invertebrates that feed on...

Two Little Fishies Bactiv8® NPX contains cultured naturally occurring marine heterotrophic microbes that aid biological filtration in marine aquariums. Use Bactiv8 NPX to enhance nitrification and denitrification, and to promote the decomposition of...

BioPronto™Marine Once upon a time the way to start a marine tank involved introducing a few hardy fishes and waiting until the tank “cycled.” The wait to establish an active biological filter often lasted one to two months! Nowadays...

BioPronto™Marine Once upon a time the way to start a marine tank involved introducing a few hardy fishes and waiting until the tank “cycled.” The wait to establish an active biological filter often lasted one to two months! Nowadays...

CorAffix Gel is an ethyl cyanoacrylate bonding compound with a thick gel consistency. It is very easy to use for attaching frags of stony corals, zoanthids, and some soft corals to plugs or bases. Available in a 20 gram tube with easy to use, re-sealing...

CorAffix Pro is an ethyl cyanoacrylate bonding compound with a thick gel consistency and lightning fast bonding. It is very easy to use for attaching frags of stony corals, zoanthids, and some soft corals to plugs or bases. Also great for Aquascaping...

NEW CorAffix is an ethyl cyanoacrylate bonding compound with viscosity similar to honey. Use it for attaching stony corals, gorgonians, and other sessile invertebrates in natural positions on the live rock in aquariums. Also for attaching coral...

AquaStik Stone Grey. Underwater Epoxy Putty for marine and freshwater aquariums, Ponds and Paludariums. Also useful in Reptile & Small Animal habitats. Neutral color. Non-toxic to fish, plants & small animals. Cures dry, damp, or underwater.

AquaStik Red Coralline. Underwater Epoxy Putty for marine aquariums and reef aquariums. Color matches coralline algae and live rock. Excellent for securing rock, stony corals, gorgonians and aquatic plants. Non-toxic to fish, plants & small animals...

Do you think it’s important to maintain salinity precisely? We’re with you. That’s why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. It’s pure natural sea...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan® or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water...

The PhosBan Reactor 150 is designed with the upflow principle to achieve the most efficient use of PhosBan® or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water...

The NEW KW Reactor is designed with the upflow principle to achieve the most efficient use of Kalkwasser.  By pushing top-off water upward through the calcium hydroxide, it automatically mixes it to achieve a supersaturated kalkwasser solution...

The Mega VeggieMag for Big Fish uses extra-strong magnetic attraction instead of a suction cup to hold the SeaVeggies clip in place, for aquariums with 1/2" to 3/4" windows! It’s easy to position at any level in the aquarium, and easy to retrieve...

The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a...

The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a...

Two Little Fishies' NanoMag is an itsy-bitsy, lean, high-energy, window-cleaning apparatus. Its patented design provides flexibility and a slender profile that slips safely between polyps or plants and viewing windows. It’s got the umph needed...

The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a...

The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a...