Extremely high amounts of protein Perfect for discus, angelfish, and other fish Crunchy, color-enhancing flakes Don't want to fish foods made with a ton of filler? Xtreme Beef Heart Flakes are packed with 46% protein that's made of high-quality beef heart, shrimp, krill, and fish. If you're tried of thawing out...

3 Porosities to Choose From Reusable Fits all filters These 2 inch thick reusable sponge pads come in three porosities. Black 15ppi being the most coarse and slowest to clog. The green 30ppi which is less coarse and should be the majority of the sponge used in a filter. The blue pad is...

Complete outlet Assembly for easy replacement Extends the life of your Aquarium Co-Op Air Pumps Repair air pumps instead of buying new ones Has your Aquarium Co-Op Air Pump lost air pressure over time? It may be the rubber diaphragm, which is an easy fix. Diaphragms are replaceable parts that...

50% cotton, 50% polyester Soft, comfortable fit Designed for long-lasting wear Love freshwater aquariums? So do we! Show the other waters who is boss by wearing this shirt to your local club, local event, the grocery store, the fish store, your cousin's birthday party and more! Available in sizes: S,...

Low Protein, High Vitamin Formula Holds Shape Underwater for Easy Feeding Every Day Staple Shrimp Food Xtreme Shrimpee Sinking Sticks are a low protein staple shrimp food that can be fed every day. The sticks hold their shape for long periods of time underwater allowing the shrimp to consume them easily...

Extra long power cord Increases water circulation Fits seamlessly with Aquarium Co-Op Sponge Filter The Aquarium Co-Op Powerhead is perfect for adding circulation to your aquarium — beneficial for minimizing dead zones, ensuring particles reach the filter, and moving food and fertilizer to all parts of the tank. No need...

Oblong leaves with dark spotting Easy background plant Loves root tabs or nutrient-rich substrate Not available to be shipped to Hawaii and Alaska. This unique sword plant produces short stems with broad, oblong-shaped leaves that feature dark spotting and striking veins. It thrives in environments with low to medium lighting...

Absorbs phosphates in aquarium water Can be cut to custom fit your filter Improves water quality and clarity Phosphate pads are great for lowering your phosphate levels in your aquarium. Excess phosphates in the water column can cause algae growth and compromise fish health. Adding phosphate absorbing filter pads to...

100% cotton Perfect size for aquariums Black color to hide stains Tired of dripping water everywhere when cleaning your fish tanks? Get an official Aquarium Co-Op towel to dry your hands, tank walls, and tools. This 100% cotton terry cloth is very soft and absorbent, perfect for wiping up any...

Durable, heavyweight glass Easy-to-read markings 1 ounce capacity This useful little glass is a great tool for measuring liquids in either teaspoons, tablespoons, ounces, or milliliters. It has markings for each measurement and also features the Aquarium Co-Op logo on the front in green. Great for when it comes to dosing medications,...

Fits our Aquarium Co-Op Powerhead Adds Directional Flow Rotate and Click Into Position for flow almost anywhere. The Aquarium Co-Op Powerhead outflow nozzle features a push-to-fit installation. Once it's on the outflow of your powerhead, you can rotate it 360 degrees to turn the fan in any direction. The fan is...

One tool with 4 ways of measuring Durable plastic Made in the USA This handy measuring spoon features not one but four different measurements — perfect for dosing fish medication, dechlorinator, and aquatic plant fertilizer more accurately. It measures 1 tablespoon and 1 teaspoon on one side. When you flip it over, it...

Good for breeding shrimp Provides hiding shelter Natural appearance This half dome cave is the perfect size shelter for shrimp to evade fish and to feel safe. They enjoy crawling in and out of the holes, and it provides an excellent place for them to breed so the baby shrimp...

130 micron mesh screen collects small and large brine shrimp Clear plastic provides easy viewing during collection Durable material The Ziss Brine Shrimp Collector Sieve provides an alternative way to collect brine shrimp than a net. Some nets are not fine enough to collect smaller baby brine shrimp. The 130um (micrometer)...

Spirulina Algae as Main Ingredient Balanced Diet in Gel Form Ideal for Feeding Plant-Eating Fish Over Extended Time Repashy Soilent Green is a nutritious gel food which is water stable for up to 24 hours. It is created using spirulina algae as the main ingredient and is therefore an excellent daily...

Greatly improves water clarity Easy to cut to size of your filter Dense, tightly-woven construction The Aquarium Co-Op Water Polishing Filter Pad is a fine filter floss designed to remove the finest particulate from your water column. It clears tank cloudiness for visibly clearer water. Available as a thick woven pad, it...