Why is the filter not aerating?

1. Make sure to block the side water outlet in order to enable the aeration function.

Should the filter be exposed to the water surface during operation?

No, when the filter is working, it must be fully submerged in the water.

What is the order of placement for the 3 types of filter sponges when replacing them?

The coarse sponge (blue sponge) should be placed at the bottom of the filter box, followed by the activated carbon sponge (black sponge) in the middle, and the fine sponge (yellow sponge) at the top.

Aquarium Filter 3-Stage in-Tank Filter Internal Fish Tank Filter Turtle Filter for 10-40 Gallon Fish Tanks with Dual Water Outlet & Aeration

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Common Questions