Seachem Reef Potassium - 500ml Maxspect Gyre 4-stage filtration system: Uses pre-filter

4-stage filtration system: Uses pre-filter mechanical capture

it gives aquarists more precise control over system flow than a standard fixed-speed pump

Bubble Magus DSP4000 Replacement Impeller is a replacement needle wheel impeller for the DSP4000 pump used with Bubble Magus Curve A9 or 9+ Protein Skimmers

Compact body fits many reservoirs

or VDM module

Seachem Reef Potassium - 500ml Maxspect Gyre 4-stage filtration system: Uses pre-filterSeachem 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