Seachem Additives

In the absence of free ammonia the unit will assume a yellow or faint yellow-green color. It is normal for the dry sensor to have a greenish hue. I...

Description Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventin...

  Prime® is the complete and concentrated conditioner for both fresh and salt water. Prime® removes chlorine, chloramine and ammonia. ...

Seachem GarlicGuard is an appetite/flavor enhancer for freshwater and saltwater fish. Simply soak the food in Garlic Guard before feeding your ...

Product Description PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphat...

Seachem Reef Advantage Magnesium™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore d...

Seachem Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorben...

Seachem GarlicGuard is an appetite/flavor enhancer for freshwater and saltwater fish. Simply soak the food in Garlic Guard before feeding your f...

Reef Buffer™   Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Conta...

  Prime® is the complete and concentrated conditioner for both fresh and salt water. Prime® removes chlorine, chloramine and ammonia. Prime®...

Product Description PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffe...

SeaChem De*nitrate is a high porosity filtration product for the removal and control of nitrate in marine and freshwater aquaria by anaerobic de...

Seachem Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorben...

Description Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing t...

  Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found i...

  Product Description Reef Builder™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a ...

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

Seachem Reef Kalkwasser - 500G/1.1lbs Product Description Reef Kalkwasser™is a pure calcium hydroxide with unsurpassed purity and solubi...

Seachem Reef Complete - 500ml Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain cal...

  Prime® is the complete and concentrated conditioner for both fresh and salt water. Prime® removes chlorine, chloramine and ammonia. ...

  Product Description Reef Builder™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a ...

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

Product Description PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphat...

Seachem Reef Strontium – 500ml Product Description Reef Strontium™ is intended to restore and maintain strontium to levels fou...