Skim350 Micro Surface Skimmer – Removes Oily Film & Boosts Oxygen (Up to 350L)

EHEIM Skim350 Micro Surface Skimmer

Almost every aquarium develops a thin oily film on the water surface over time — a mix of dust, food fats, and microorganism residue that blocks gas exchange and dulls the water's clarity. The EHEIM Skim350 is a compact, pump-driven surface skimmer that pulls this film into a replaceable filter sponge, restoring a crystal-clear surface and improving oxygenation in the process.

How It Works

The Skim350 uses an integrated 80 gph (5W) pump with adjustable flow control. A self-adjusting float automatically compensates as water evaporates, so the skimmer keeps working at the correct depth without manual readjustment. It attaches with suction cups and requires no extra plumbing or installation kit — it's ready to run straight out of the box.

Specifications

Why Aquarists Use It

• Removes the oily "mould film" that forms on almost every tank surface
• Increases oxygen exchange at the water surface
• Self-adjusting float — keeps working as water evaporates
• No installation kit needed — ready to use immediately
• Energy efficient at just 5 watts
• Works in both freshwater and marine setups

Frequently Asked Questions

What does a surface skimmer actually remove?

It removes the thin film of dust, oils, food fats and microorganism residue that accumulates on the water surface — often called the "mould film" or "biofilm." Left alone, this film blocks oxygen exchange at the surface.

Is the EHEIM Skim350 suitable for permanent use?

Yes — it's designed for constant, long-term operation, though it also works well for short-term or occasional use.

Can I move it between tanks?

Yes, but if alternating between aquariums, clean the sponge thoroughly first to avoid transferring algae spores or pathogens between tanks.

How do I maintain it?

Remove and rinse the filter sponge after each use to prevent clogging and keep suction efficient.