Seachem Flourish Potassium 500 mL Multi test Kit or MicrōBacter Start XLF depending

or MicrōBacter Start XLF depending on whether you are starting a marine aquarium or a freshwater aquarium

Size: 1 Pound

4 °dKH) and specific minor and trace elements need to be readily available

deionization

Seachem Flourish Potassium 500 mL Multi test Kit or MicrōBacter Start XLF dependingPotassium supplement for the planted aquarium. Highly concentrated (50,000 mg L). Does not contain phosphate or nitrate making it ideal for use with Flourish Nitrogen and Flourish Phosphorus. Overview: Flourish Potassium contains 50,000 mg L of potassium suitable for the natural planted aquarium. Potassium is one of several elements that are vitally important to maintaining a vigorous level of growth in a planted aquarium. Potassium can become