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Steven757
I'm scratching my head over how they get into the external filter... Well, as they say, I can't figure it out. The external filter, the hanging one, has a pipe for drawing water from the aquarium, a turbine, a chamber with filtering material, and an outlet like a "waterfall." And somehow they end up there. There's a grid at the intake opening with about a 2 mm gap, and I wrapped it with a fabric like "tulle" with cells up to 1 mm. The outlet is like a "waterfall," and the current is strong, carrying the fish away. Climbing through the outlet... (?) might be possible, but then there's foam that rises about 1 cm above the water level in the filter. To get into the filter through the outlet, you would have to climb up the "waterfall" and then walk about 10 cm "on dry land," meaning on the foam. It's completely unrealistic to go through the intake pipe, especially with the turbine (it even shredded small fish for me before I put the grid in). Nevertheless, every day I find 1-3 juvenile shrimp (about 1.5 cm) in the filter... They couldn't have grown there; I clean the filter. Little spies... In short, does anyone have any ideas? And their own observations?