Freshwater Aquarium Blog

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When Should I Dose Potassium in My Planted Aquarium? - Aquarium Co-Op
When Should I Dose Potassium in My Planted Aquarium?
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 - Aquarium Co-Op
How to Improve Water Circulation on Aquarium Sponge Filters
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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How to Build a DIY Central Air System for Your Aquarium Fish Room - Aquarium Co-Op
How to Build a DIY Central Air System for Your Aquarium Fish Room
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.
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How to Care for Your Aquarium Fish During a Power Outage - Aquarium Co-Op
How to Care for Your Aquarium Fish During a Power Outage
Losing power can be dangerous for fish because of reduced oxygen levels or temperature swings. Follow our battle plan for surviving your next power outage.
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How to Fertilize Your Planted Tank the EASY Way - Aquarium Co-Op
How to Fertilize Your Planted Tank the EASY Way
Not sure which aquarium fertilizer to use? Learn about the Easy Fertilizer line that makes growing planted tanks easy and fun for both beginners and veterans.
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How to Set Up an Aquarium CO2 System the Easy Way - Aquarium Co-Op
How to Set Up an Aquarium CO2 System the Easy Way
Starting a high tech planted tank can be a little intimidating, so follow our step-by-step beginner’s guide to set up your first pressurized CO2 system.
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How (and How Often) to Test Aquarium Water for Healthy Fish and Plants - Aquarium Co-Op
How (and How Often) to Test Aquarium Water for Healthy Fish and Plants
Regular water testing is vital for monitoring the health of your aquarium fish and plants, so let’s talk about which tests you need and when to use them.
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How to Use an Egg Tumbler to Hatch Aquarium Fish Eggs - Aquarium Co-Op
How to Use an Egg Tumbler to Hatch Aquarium Fish Eggs
For certain African cichlids, catfish, and other fish, using an egg tumbler can increase your hatch rate. Learn how egg tumblers help increase water flow and reduce fungal growth.
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Water Dechlorinator: How It Works and How Much to Use in Aquariums - Aquarium Co-Op
Water Dechlorinator: How It Works and How Much to Use in Aquariums
Let’s talk about the truth behind water conditioners — how they work, potential risks from overdosing, and any differences amongst the different brands of dechlorinators.
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How to Ship Aquarium Fish in the Mail - Aquarium Co-Op
How to Ship Aquarium Fish in the Mail
Selling fish online is one way to help offset the costs of your aquarium hobby, so learn about the best practices for shipping live fish through the USPS.
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Staff Picks: 10 Perfect Gifts for the Aquarium Co-Op Enthusiast - Aquarium Co-Op
Staff Picks: 10 Perfect Gifts for the Aquarium Co-Op Enthusiast
Looking for the perfect gift for the fish hobbyist in your life? To ring in the holiday season, we asked some of our friends and employees about their favorite Co-Op...
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10 Smart Ways to Use an Aquarium Catch Cup or Specimen Container - Aquarium Co-Op
10 Smart Ways to Use an Aquarium Catch Cup or Specimen Container
Have you ever seen those clear rectangle boxes hanging on the outside of tanks at your local fish store? You are looking at one of the most versatile tools in...
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