Seachem Potassium is a concentrated potassium supplement designed to support vigorous plant growth in freshwater aquariums. Potassium is a critical macronutrient that plants require for healthy cell function, nutrient transport, and strong overall development.
Ideal for aquariums with high plant biomass or signs of potassium deficiency, this easy‑to‑dose liquid formula helps maintain stable potassium levels without impacting water clarity.
Concentrated liquid potassium supplement
Designed for freshwater planted aquariums
Supports plant health, colour, and growth
Easy to dose based on measured needs
Compatible with most aquascaping and fertiliser programs
Potassium plays a vital role in:
Promoting robust leaf development and strong stems
Enhancing nutrient absorption and transport
Improving overall plant health and resilience
Supporting colour vibrancy and lush growth
Preventing deficiency symptoms such as yellowing or spotting
Test your water for potassium levels or observe plant deficiency signs.
Add Seachem Potassium according to tank size and plant load.
Dose regularly as part of your fertilisation routine to maintain adequate potassium levels.
Monitor plant response and adjust dosing as needed.
Seachem Potassium is safe for freshwater aquariums when used as directed. It can be incorporated into most liquid fertilisation programs and works well with other Seachem plant supplements.
