Eheim Aquarium Products – Filters, Heaters & Premium Aquarium Equipment

Eheim has set the standard for aquarium equipment since 1949. Their legendary German-engineered canister filters — the Classic, Pro, and Performance lines — are trusted by serious aquarists worldwide for reliability, whisper-quiet operation, and decades of service life.

Shop the full Eheim ecosystem: canister filters, aquarium heaters, media, and accessories. Pair Eheim equipment with premium filtration, Seachem water conditioners, and aquarium tools for a professional-grade setup. Fast shipping from Wyoming nationwide.

Eheim Jager Heater Wattage Guide

Eheim Jager heaters are precision German-engineered and come in a full range of wattages. Use this quick reference to match your tank volume to the right size. As a general rule, aim for roughly 3–5 watts per gallon, and size up if your room runs cold. Browse the full lineup in our aquarium heaters collection.

Tank Size Wattage Needed
Under 7 gallons 25 watts
7–16 gallons 50 watts
16–26 gallons 75 watts
26–40 gallons 100 watts
40–79 gallons 150 watts
79–106 gallons 200 watts
106–159 gallons 250 watts
159–264 gallons 300 watts

For tanks larger than about 75 gallons, running two smaller heaters instead of one large unit spreads heat more evenly and gives you a safety margin if one ever fails.

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