Best Selling Products

Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a un...

Filter Sock 200 Micron Welded- 4x 12 Sock - Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended ...

Seachem Filter Sock an integral addition to any sump and overflow system. In addition to its 100 micron rating for exceptional particulate removal,...

Seachem Filter Sock an integral addition to any sump and overflow system. In addition to its 100 micron rating for exceptional particulate removal,...

Large Zip Bag Durable Seams & Corrosive-Proof Zipper. 48 cm x 43 cm (19 x 17). Excellent Choice for biomedia such as Matrix no trings or Ties.

Large Zip Bag Durable Seams & Corrosive-Proof Zipper. 48 cm x 43 cm (19 x 17). Excellent Choice for biomedia such as Matrix no trings or Ties.

Large Zip Bag Durable Seams & Corrosive-Proof Zipper. 48 cm x 43 cm (19 x 17). Excellent Choice for biomedia such as Matrix no trings or Ties.

Clarity is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant saf...

Clarity is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant saf...

Reef NPK Pack includes: Reef Nitrogen, Reef Phosphorus, and Reef Potassium! These Reef supplements can be used independently, or together, and they...

Reef Potassium: Potassium is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Suppleme...

Reef Potassium: Potassium is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Suppleme...

Reef Phosphorus: Phosphorous is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Suppl...

Reef Phosphorus: Phosphorous is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Suppl...

Reef Nitrogen: It is important to maintain nitrogen levels along with phosphorous levels in order to allow for optimal growth and coloration of cor...

Reef Nitrogen: It is important to maintain nitrogen levels along with phosphorous levels in order to allow for optimal growth and coloration of cor...

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death...

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death...

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death...

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death...

Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid a...

Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid a...

SureStart conditioner pack combines Prime, Stability, and Clarity into one convenient pack. It’s great for any aquarist but is ideal for the beginn...

pH Alert® is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly f...