Aquarium Co-Op

At Aquarium Co-Op, we focus on your aquarium

We specialize in aquatic plants, freshwater tropical fish and supporting the freshwater fishkeeping community.

How to Join the Aquarium Co-Op Wholesale Program

June 28, 2024 • 2 min read
At Aquarium Co-Op, we started with a small fish store in Edmonds, Washington, grew an online sales business through our social media platforms, ...
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When Should I Dose Potassium in My Planted Aquarium?

May 30, 2024 • 3 min read
Potassium is an important macronutrient used by plants transport and synthesize nutrients. Find out how much potassium is needed in your planted aquarium.
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How to Improve Water Circulation on Aquarium Sponge Filters

May 13, 2024 • 6 min read
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.
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