This food floats for a long time and gradually breaks up into individual worms.įor small fish, simply break off a piece from the cube and press onto the glass underwater.įor large fish press a whole cube against the glass underwater. If kept in an air tight container away from light, moisture, and heat, it should last for 3 months. Once opened the contents of dried tubifex should be used within a few days as it will absorb moisture from the air and fungus will grow on it. As they multiply, siphon or net out the worms to feed to your fish. Tip: A new container should be sealed against the air as oxygen rapidly destroys the nutritional content. If you find healthy, clean worms, you can start your own colony of tubifex worms by growing them in an aerated tank with an inch of gravel on the bottom and then add small amounts of vegetables (slices of sweet potato are good) or aquarium plant trimmings for food. You can't know how long it's been sitting on a shelf for.
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