• Sicce Scuba Preset 100W submersible aquarium heater pre-set to 77°F for freshwater and marine aquariums
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Sicce Scuba Preset 100W Aquarium Heater

The Sicce Scuba Preset 100W Aquarium Heater is a durable, fully submersible heater built to keep small aquariums at a stable, comfortable temperature. Pre-set to maintain a consistent 77°F (25°C), it delivers reliable, worry-free heating for tropical fish, shrimp, and live plants.

Built with shatterproof glass, thermal overheat protection, and a precision thermostat, the Scuba Preset works dependably in freshwater, saltwater, and planted aquariums and installs in seconds with the included suction-cup mount.

Key Features

  • Pre-set to 77°F (25°C) - ideal range for most tropical tanks, no adjustment needed
  • 100W output - sized for aquariums up to ~26 gallons
  • Fully submersible - mount horizontally or vertically
  • Shatterproof construction - durable glass housing for safety and longevity
  • Automatic thermostat - maintains steady water temperature
  • Freshwater & saltwater safe - versatile for community, planted, and marine setups

Specifications

  • Brand: Sicce
  • Model: Scuba Preset 100W
  • Power: 100 Watts
  • Temperature Setting: Pre-set 77°F (25°C)
  • Aquarium Size: Up to ~26 gallons
  • Material: Shatterproof glass
  • Use: Freshwater or saltwater aquariums
  • Installation: Fully submersible (horizontal or vertical)

Usage Tips

  • Position the heater near steady water flow so heat spreads evenly.
  • Let the heater sit in the water 10-15 minutes before plugging in to avoid thermal shock.
  • Pair with a separate aquarium thermometer to monitor temperature accuracy.
  • Unplug and allow the heater to cool before removing it from the tank.

Heater Sizing Guide

As a rule of thumb, choose roughly 3-5 watts per gallon depending on how much warmer your tank needs to be than the room:

  • 50W - up to ~15 gallons
  • 100W - up to ~26 gallons
  • 150W - up to ~40 gallons
  • 200W - up to ~52 gallons
  • 250W - up to ~65 gallons
  • 300W - up to ~79 gallons

FAQ

Q: Can I adjust the temperature?
A: No - this model is pre-set to hold 77°F (25°C) automatically.

Q: Is it safe for saltwater tanks?
A: Yes, the Scuba Preset works in both freshwater and marine aquariums.

Q: Does it need to be fully submerged?
A: Yes, it is designed for full submersion.

Q: What size tank is best for the 100W model?
A: It works best for aquariums up to about 26 gallons.

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