At Aquarium Co-Op, we started with a small fish store in Edmonds, Washington, grew an online sales business through our social media platforms, ...

Potassium is an important macronutrient used by plants transport and synthesize nutrients. Find out how much potassium is needed in your planted aquarium.

By using a curved uplift tube on a regular sponge filter, you can boost the water circulation, increase oxygen levels, and even reduce noise levels.

Got too many aquariums? Follow along step-by-step as we teach you how to set up a linear piston air pump for your fish room’s central air system.