Provide your underwater buddies with the warmth they with the Tetra HT30 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78°F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 10-30-gallon aquariums, Tetra HT30 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.
Submersible heater that can be installed vertically or horizontally.
Low voltage thermostat maintains water at 78°F.
Features red/green indicator lights to show when the heater is heating or on standby.
Don't reccomend this. I like that it indicates when the temp is okay, BUT it says on the box it is supposed to be automatically set at 78°F. Yet I have a thermometer in the tank that is reading 69°F.. Says it works for 10-30 gallon tanks... There's no way my fish will thrive in my tank with this heater.
Cooked our fish after about 3 months
on Nov 18, 2020
Come home to all my fish dead . My inside temp was 66 but my fish tank water was over 94 degrees in a 30 gallon tank .
Chewy is a great Place for pet products
on Sep 19, 2020
Not sure how well it’s working, temperature drops well into the mid 60 s before turning on. And heats to just 72 degrees.This aquarium is only 10 gallons.
DO NOT BUY
on Aug 8, 2020
Overheated my 16 gallon tank and cooked all my fish :( does not properly self regulate. Chewy kindly refunded my money, but I want to warn all other fish parents — this is a death sentence for your fish.
on Jun 15, 2020
As soon as the water reaches a cold temperature the LED light turns red and the heater comes on bringing the water to a comfortable temperature for my turtles. Once the water temperature is good the LED light turns back green.
It doesn’t work
on Mar 19, 2020
The temp in the tank went to 90 degrees. The heater light was still on and the heater was too hot to touch. Thank goodness I was just setting up the tank and there were no fish in it!
Fish tank heater
on Mar 12, 2020
Much nicer than the old glass tube heaters. No checking temperature, it is preset. No adjustment needed.
Do not buy
on Dec 20, 2019
Product is not as described but not chewy’s fault it’s the manufacturer’s fault..Product does not heat up like it’s suppose to and doesn’t hold temp to 78 degrees...Called chewy and they issued me a refund right away.
Perfect for 20+ gallons, too hot for 10 gallons
on Jan 6, 2020
Works perfectly for our 20 gallon tank, keeps the temperature at about 79. I put it in our 10 gallon tank and it had the water at 90 degrees.
Perfect for 20gal tank
on Nov 29, 2019
This heater works perfectly for a 20 gal tank. All the lights work letting me know when it’s at temp. Or when it’s running. It is a perfect size so it doesn’t look ugly. I’m very happy with it!