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Potassium is one of many vital macronutrients
fertilizers and more
interconnected holes allows for the development of a thin bio-film
as well as a small hole on the top of the chamber which allows for air to escape when being placed in an aquarium
CaribSea Super Naturals - Sunset Gold Sand Soon Potassium is one of manyCaribSea pre washed Super Naturals are designed with your success and ease of use in mind. Sizes and colors have been carefully selected to help you create a natural underwater environment like those of the Amazon River blackwaters or Asian jungles. These inert products will not affect your ph or alkalinity, allowing you to adjust these important water quality parameters any way you wish. Can be used in marine aquariums when alkalinity and pH are