Fluval SK400 Surface Skimmer for Healthy Aquariums

Fluval SK400 Surface Skimmer for Healthy Aquariums

Marsoni

M251S

$19.45

Get it in 3 business days with 1 day shipping. Friday, May 29

Fluval SK400 Surface Skimmer for Healthy AquariumsThe Fluval Surface Skimmer SK400 effectively removes unwanted water surface film, enhancing oxygenation and light penetration for a cleaner, healthier aquarium environment. Over time, surface films can form due to various factors, including oils from skin contact, household dust, and residues from fish food. These films not only detract from the visual appeal of an aquarium but also reduce the levels of oxygen available for fish and light essential

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If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these. We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.

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Reviewed in the United States on December 11, 2025