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Review on 🐠 DaToo Aquarium External Heater: Optimal Performance with 300W Power for Canister Filter by Hayden Tang

Revainrating 1 out of 5

This could potentially cook your fish.

Right out of the box I got a blinking E-1 message. I read another review that mentions this and instructions on how to tell if the temp is too high. I gave the system a test run (thank goodness) and let it sit for an hour or two, thinking it would cool down. I returned to the water pushing 100f. The heating never went off. It kept rising. Steam literally rose above the water's surface. Be careful with that. To return.

Pros
  • This is great
Cons
  • Functionality