Additives & Supplements

Seachem Flourish Potassium provides concentrated potassium to support vigorous growth in aquariums with natural, living plants. This safe, effective supplement helps you avoid potassium depletion, yellowing leaves, and limited plant growth. Potassium...

Seachem Flourish Advance is an all natural growth enhancer for live aquarium plants, with an enhanced formula that uses phytohormones, minerals, and nutrients to stimulate dramatic growth in roots and shoots. When used regularly, it also heightens...

Seachem Flourish Iron is a highly concentrated iron supplement for aquariums with live plants. Its simple, pure formula is ideal for iron deficiencies and/or situations when iron requirements are greater than what Seachem Flourish can provide. Iron...

Seachem Flourish Iron is a highly concentrated iron supplement for aquariums with live plants. Its simple, pure formula is ideal for iron deficiencies and/or situations when iron requirements are greater than what Seachem Flourish can provide. Iron...

Seachem Alkaline Buffer raises the pH and alkalinity (KH) of your aquarium water and holds it steady between 7.2 and 8.5 - an ideal range for most freshwater environments. Alkaline Buffer is safe, gentle, and phosphate-free to reduce the risk of algae or...

Seachem Alkaline Buffer raises the pH and alkalinity (KH) of your aquarium water and holds it steady between 7.2 and 8.5 - an ideal range for most freshwater environments. Alkaline Buffer is safe, gentle, and phosphate-free to reduce the risk of algae or...

Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium. Its rich assortment of important micro elements, trace elements and other nutrients promotes healthy, vigorous growth, health and color in aquatic plants...

Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium. Its rich assortment of important micro elements, trace elements and other nutrients promotes healthy, vigorous growth, health and color in aquatic plants...

Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium. Its rich assortment of important micro elements, trace elements and other nutrients promotes healthy, vigorous growth, health and color in aquatic plants...

Seachem Stability quickly stabilizes new aquarium environments and establishes the bio-filter for rapid, safe startup. Its unique blend of aerobic, anaerobic and facultative bacteria break down organic waste and toxic ammonia, nitrate and nitrite to...

Seachem Stability quickly stabilizes new aquarium environments and establishes the bio-filter for rapid, safe startup. Its unique blend of aerobic, anaerobic and facultative bacteria break down organic waste and toxic ammonia, nitrate and nitrite to...

Seachem Stability quickly stabilizes new aquarium environments and establishes the bio-filter for rapid, safe startup. Its unique blend of aerobic, anaerobic and facultative bacteria break down organic waste and toxic ammonia, nitrate and nitrite to...