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AquaTop GH-100W 100 W Glass Aquarium Heater

Model: GH-100W · US configuration

AquaTop GH-100W 100 W glass aquarium heater and model-labelled package, retailer image
Retailer-supplied package/product view labeled GH-100W; not to scale and not evidence of performance.

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100 W adjustable analog glass aquarium heater; AquaTop lists this exact GH size up to 25 US gallons, with a 68–93°F current-page setting range and a 10-inch listed height.

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Why consider this model?

  • A possible fit when an adjustable 100 W GH heater, a 25-gallon upper rating and a 10-inch listed body suit the aquarium and a glass analog control is acceptable.

Tradeoffs to weigh

  • AquaTop does not publish a minimum tank volume or heat-output guarantee for every room. The current 68°F lower setting conflicts with the older manual’s 65°F line; use only the documented overlap. No shatterproof body or measured-water display is documented.
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