Reef Potassium 500Ml

Keep your reef’s potassium right where corals and macroalgae need it for stronger growth, richer coloration, and steadier overall performance. Seachem Reef Potassium comes in a convenient 500 ml bottle, making it easy to maintain consistent levels as your tank’s demand changes. If you want a simple way to fine-tune a key element many reef systems run short on, this is worth a closer look.