A steady stream of moving water allows clams to filter food from the water column better. For example, a filter to help if there is too much waste in the water column.Ĭlams prefer oxygenated and slow-moving water. You can also add better equipmentto larger tanks. Smaller tanks like a 10-gallon tank cannot properly process the bioload when overstocked. Every fish, shrimp, or clam that you add to the aquarium adds to the bioload. But, be careful not to overstock your tank. The aquariums must have enough water to provide nutrients to freshwater clams-the bigger the fish tank, the better for the freshwater clam or any aquatic animal. For example, copper, even a little bit, can kill freshwater clams. Be careful when using plant fertilizers and medications. You can test the water for calcium and add supplements if needed. Freshwater clams depend on calcium to build strong and healthy shells. Run tests to make sure that nitrate levels are standard as well. Water Temperature: 70 – 80 degrees FahrenheitĪmmonia and nitrites levels should be 0 ppm.Keep freshwater clams in a nitrogen-cycled aquarium that already has an established ecosystem. Sometimes, you can only a small part of the shell and their siphon. Freshwater clams need a medium to a very fine substrate as they like to burrow and cover themselves.

To best care for freshwater clams, you need an aquarium that’s at least 20-gallons. Some clam shells have darker strikes of color. The shells of freshwater clams are usually a shade of brown.

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