Product image unavailableTetra
Tetra HT Adjustable Heater — 25 W
25 W · 2.6–6.6 US gal aquarium · 68–89.6°F
AquariumLesson Databases
Explore aquarium technology, discover models and browse technical specifications for your setup.
Compare heater output, temperature controls and installation dimensions. Cooling fans are listed separately from heaters where the product type is established.
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Product image unavailableTetra
25 W · 2.6–6.6 US gal aquarium · 68–89.6°F
Product image unavailableTetra
50 W · 6.6–15.9 US gal aquarium · 68–89.6°F
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75 W · 15.9–26.4 US gal aquarium · 68–89.6°F
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100 W · 26.4–39.6 US gal aquarium · 68–89.6°F
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150 W · 39.6–59.4 US gal aquarium · 68–89.6°F
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200 W · 59.4–79.3 US gal aquarium · 68–89.6°F
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300 W · 79.3–118.9 US gal aquarium · 68–89.6°F