Orlushy Submersible Aquarium Heater — Adjustable, Free Thermometer, For Freshwater & Saltwater

Reliable warmth for any aquatic setup

Orlushy's Submersible Aquarium Heater is designed to help you maintain a stable, comfortable environment for fish, corals, and amphibians. With six size options, you can match the wattage to your tank’s volume, whether you keep a compact betta tank, a larger community tank, or a turtle enclosure. The included size chart helps you pick the right fit, balancing energy use and consistent temperatures.

Gentle, energy-aware heating you can trust

The heater features a stair-step heating profile: a red indicator lights during active warming, then it briefly quiets as it approaches the set temperature. Once the green light appears, the unit holds the temperature steadily. This cycling is designed to minimize energy use while preventing rapid swings that stress aquatic life.

In addition, a separate thermometer is included for real-time observation of water temperature. This lets you verify readings at a glance and adjust as needed, without hunting for a separate gauge.

Durable build for day-to-day reliability

Constructed with a heat-resistant ABS outer shell, the heater resists deformation even in warm water. The heating rod uses nickel-chromium wire for a faster heat-up and consistent output, while a non-corrosive quartz glass inner assembly keeps the core components protected over time.

Simple setup, clear safety guidelines

Important cautions include ensuring the heater is fully submerged before plugging in, and allowing a 10–20 minute cooldown before removal for cleaning or water changes. These steps help prevent accidents and prolong life.

What you get and how it fits your tank

• Six sizes to match small to larger aquariums and turtle tanks, with a user-friendly size chart
• Reliable temperature maintenance with clear red/green indicator signals
• Free thermometer included for ongoing water temperature awareness

• Durable ABS outer shell and nickel-chromium heating wire for fast, steady heat
• Quartz-glass core to resist corrosion in freshwater or saltwater environments
• One-year warranty and responsive customer service for peace of mind

Whether you house tropical fish, sensitive invertebrates, or a small aquatic setup for a turtle, this heater offers a practical approach to temperature management. It supports both freshwater and marine setups and aims to be a dependable element in your aquarium routine without overpromising results.