Meet the PULACO 100W Aquarium Heater Designed for 10-20 gallon aquariums, this compact heater brings steady warmth to your aquatic world

With a 9-inch profile, it sits neatly along the back wall, delivering reliable heat without cluttering the tank

The built‑in thermometer strip makes it easy to keep an eye on water conditions, while the robust quartz glass shell adds a layer of durability to daily use

Key benefits at a glance Fits 10–20 gallon tanks with a slim 9-inch profile 2 mm thick quartz glass protects internal components and resists minor bumps Adjustable temperature range from 66 to 90 °F with discrete steps Automatic shutoff and restart maintain the preset temperature with minimal fuss Submersible design secured by two sturdy suction cups for flexible placement 110–120V operation powered by a long 5

2 ft cord Backed by a 12-month warranty and accessible after‑ support Easy setup and ‑world use Installation is straightforward: ensure the heating element is fully submerged, then secure with the suction cups

Set your target temperature and let the unit handle the rest

In day‑to‑day use, you might notice calmer fish behavior and a steadier water feel during seasonal changes

Fully submerge before powering on; run the heater dry If you need to move or clean the tank, unplug first and reinsert afterward Monitor temperature with the built‑in thermometer strip to fine‑tune settings Durability, care, and support The quartz glass shell and thoughtful design emphasize durability in a busy home aquarium

PULACO backs this heater with a 12-month warranty and responsive after‑ support should you ever need assistance

Note: Follow all installation directions and exceed the wattage for your tank size

FAQ Q: What tank size is the PULACO 100W Aquarium Heater suitable for

A: Suitable for 10–20 gallon tanks; use the size chart to pick the correct wattage

Q: Does the heater auto-regulate temperature

A: Yes

It automatically turns on and off to maintain the preset temp within the 66–90°F range