Water Conditioners & Additives

API® LEAF ZONE plant fertilizer contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapi...

API® LEAF ZONE plant fertilizer contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapi...

API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure...

API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure of ...

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic o...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, ke...

Neutral Regulator® adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium an...

Treat your tap water, and provide a safe environment for freshwater fish instantly and easily with API Aqua Essential water conditioner. Tap...

Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may als...

Equilibrium is specifically designed to establish the ideal mineral content for the planted aquarium. Equilibrium is ideally suited for use with RO...

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

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

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

Betta Basics is designed to provide the optimal environment for both betta and plant. Betta Basics removes any chlorine, chloramine and detoxifies ...

Reef Builder raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. C...

Gold Buffer is a non-phosphate buffer that will maintain the ideal pH for goldfish while not enhancing algae growth. Depending on dosage, Gold Buff...

Acid Buffer is a non-phosphate buffer to lower pH and buffer with Alkaline Buffer. Both buffers are designed for the planted aquarium or for very h...

Alkaline Buffer is a non-phosphate buffer to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted a...

PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosG...

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...

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...

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...