Aquarium Automatic Glass Heater with Thermostat (25W–300W)

Reliable Temperature Control for Freshwater & Marine Aquariums

Keep your aquatic pets comfortable and healthy with the FH Aquatics Automatic Aquarium Glass Heater, designed to maintain a stable and precise water temperature for all tropical fish species. Available in multiple wattages — 25W, 50W, 100W, 150W, 200W, and 300W — this heater ensures perfect warmth for aquariums of every size.

Each heater comes equipped with a built-in thermostat that automatically switches the heater on and off to maintain your desired temperature range, ensuring consistent warmth without the risk of overheating.

Constructed from durable, heat-resistant quartz glass, these heaters are safe, efficient, and ideal for both freshwater and marine setups.

Key Features:

• 🌡️ Automatic temperature control with built-in thermostat — no manual adjustment needed once set.

• 🧪 High-quality glass construction — durable, explosion-proof, and corrosion-resistant.

• 🔥 Uniform heat distribution for consistent water temperature throughout the tank.

• 💧 Fully submersible design — suitable for all aquarium types.

• 🐠 Ideal for tropical fish such as guppies, angelfish, discus, cichlids, bettas, and more.

• ⚡ Energy-efficient operation with quick heating response.

• 🔌 Easy installation with suction cups for secure mounting.

Available Wattages & Recommended Tank Sizes:

• 25W: Up to 25 liters

• 50W: Up to 50 liters

• 100W: Up to 100 liters

• 150W: Up to 150 liters

• 200W: Up to 200 liters

• 300W: Up to 300 liters

(Approximate guideline — may vary depending on room temperature and tank setup.)

How to Use:

1. Place the heater fully underwater and secure it with the suction cups.

2. Adjust to the desired temperature (typically 24–28°C for tropical fish).

3. Allow 10–15 minutes before plugging in to prevent thermal shock.

4. Indicator light shows when the heater is active.

Specifications:

• Type: Automatic glass heater with thermostat

• Power: 25W / 50W / 100W / 150W / 200W / 300W

• Voltage: 220–240V

• Suitable For: Freshwater and saltwater aquariums

Perfect For:

All tropical fish tanks, planted aquariums, shrimp tanks, and marine aquariums — ensuring your aquatic life thrives in a stable, comfortable environment.