Freesea 50W Mini Fish Tank External Controller PTC Aquarium Heater
Precision temperature control with external controller for effortless adjustments. Durable PTC ceramic heating element ensures rapid, even warmth without overheating risks. Compact 50W design fits nano tanks (1-5 gallons) while saving space. Auto power-off when water level drops, preventing dry-fire damage. Corrosion-resistant titanium shell with waterproof sealing for long-lasting use. Ideal for betta bowls, shrimp tanks, and desktop aquascapes. Plug-and-play setup with suction cups for secure mounting. Energy-efficient operation reduces electricity costs. Perfect for beginners and advanced hobbyists seeking reliability. Wholesale pricing available for bulk orders—global shipping with guaranteed lowest rates. Upgrade your aquatic habitat with professional-grade equipment.