Seachem Reef Potassium - 500ml Seachem Best fit: Smaller to mid-size

Best fit: Smaller to mid-size reef aquariums or aquarists starting with B-Ionic dosing

Extreme series body style provides strong reaction volume in a space-conscious footprint

Single-use foil sachets help keep solution fresh until opened

or cleaning area

Seachem Reef Potassium - 500ml Seachem Best fit: Smaller to mid-sizeSeachem Reef Potassium 500ml Seachem Reef Potassium 500ml is a concentrated potassium supplement for reef aquariums, supporting coral growth, coloration, macroalgae development, and balanced nutrient supplementation. Seachem Reef Potassium for Coral Colour and Growth Reef Potassium provides targeted potassium supplementation without adding phosphate or dissolved organics. It is especially useful in reef systems where nitrogen and phosphorus