Adjustable Heater for Small Fish Tank, External Temperature Regulator 25W Super Mini Aquarium Heater with Memory Function, Sturdy and Durable Betta Ta

Summary

• Adjustable Temperature Control : Equipped with an external temperature regulator, this mini aquarium heater allows precise settings from 64°F to 93°F without reaching into the water, ensuring safe and convenient operation for both beginners and experienced aquarists.
• Memory Function : Automatically retains your preferred temperature setting even after a power outage, so the heater resumes at the same temperature upon restart, providing stable conditions for sensitive fish like bettas and tropical species.
• Sturdy and Durable Construction : Built with U-type explosion-proof quartz glass and high-quality ABS housing, this heater resists cracking and corrosion, making it safe and long-lasting in both freshwater and saltwater environments.
• High Temperature Resistance : Engineered with advanced thermal insulation and ±1℃ high accuracy detection, the heater maintains optimal water conditions while preventing overheating through multistep cycle heating technology.
• Fresh and Saltwater Compatible : Designed for versatility, this compact heater works efficiently in various aquatic setups including betta bowls, turtle tanks, desktop aquariums, and small marine tanks up to 6 gallons.