Your next buying step
OASE HeatUp 25 US Aquarium Heater
Model: HeatUp 25 US · US configuration
Your choices from the finder
Review the product, then choose a seller
Compare offers for this model
A 25 W adjustable quartz-glass aquarium heater with a 66–90°F scale and 6.6 US gal conservative maximum; OASE also lists 25 L and markets up to 10 US gal.
Search this model on Amazon ↗Search results may include other models. Confirm the exact model, size and included accessories before ordering.
As an Amazon Associate I earn from qualifying purchases. Buying links on BuyerShortlists may be affiliate links.
Assessment scenario: Compare this exact model
Check the exact model and configuration against your choices, then compare the seller and offer details.
Explore this buying guide ↗Why consider this model?
- The 25 W HeatUp 25 is the shortest 205 mm / 8.1-inch model in the U.S.-listed family. Its exact specification table rates it to 25 L; the separate U.S. product copy says up to 10 US gal. Because those capacity forms conflict, this assessment uses the lower litre conversion, about 6.6 US gal, as the matching ceiling. It has a documented adjustable 66–90°F range and freshwater/saltwater use, but no external-filter arrangement is established.
Tradeoffs to weigh
- The US-oriented product description says 230 V while the exact SKU table says 115 V / 50–60 Hz; check the physical label before energizing. Quartz glass is not a shatterproof claim. The 25 L / 10 US gal capacity statements also diverge, so the match uses 6.6 gal conservatively. Secondary calibration copy differs between ±2°F and ±3°C and is not accuracy.
Check these before ordering
- Confirm the exact model, generation, size and configuration in the offer.
- Compare your selected requirements with the detailed review before ordering.
- Check included accessories, seller, current availability and return terms.