Black Hole Skimmer - Aquarium Surface Skimmer
It does this by positioning its self-adjusting funnel to just beneath the surface where it can rid the surface of debris and oils. Once detached, it can be removed from the aquarium. This makes it very convenient to target different issues in the tank.
Aquarium Surface Skimmer (Bare)
Aquarium Surface Skimmer for Clear Healthy Water - Black Hole Skimmers
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Live - Original Black Hole Skimmer Aquarium Surface Skimmer
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Aquarium Surface Skimmer (Nano)… : Pet Supplies
It does this by positioning its self-adjusting funnel to just beneath the surface where it can rid the surface of debris and oils. Once detached, it
Black Hole Skimmer - Aquarium Surface Skimmer