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Is this a good heater.

1034 Views 8 Replies 8 Participants Last post by  FobbyBobby23
I was wanting to know by someone if the hydor theo is a good heater.
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Hydor also makes a really nice inline heater for larger tanks. I have had decent luck with their in tank heaters as well, but really love the inline ones. Just my two.
The hydor inline heater is great i addapted mine to screw into a pvc system, if their in tank heaters are as high in quality is their inline you will be very happy with it.
I'm a Visitherm Stealth guy, but I've not heard any complaints about Hydors.
I have also had good luck with the Visitherms in that they have never cooked fish. I do find that they need calibration more so than some other brands, but that is a small price IMO to avoid cooked fish. I had two hydor in tank heaters, and had one cook fish, the other is still in operation and is about two years old (?) so it could have been a design flaw. I have also had cooked fish with Rena's, Ebo's and the dreaded Tetra heaters. But IMO if you are running a canister, it is worth the extra $ to go with the Hydor inlines, they are rock solid, and the heater isn't in the tank. I would love to switch all my tanks over to them eventually. Hope that helps.
Yes they're great heaters.
I'll have to be the voice of dissent. I initially used Hydor's in all my tanks. However, after 1-2 years, the temp sensors failed in all of them. Most of them became "stuck on" with one of them failing altogether (causing my reef tank to drop to 68F over night).

I've since replaced them with Visitherms and Stealth heaters.
^^^ i agree with pita bread

my experience with hydrotheo heaters has been pretty bad

mine failed on me within 6 months, just stopped heating the tank

i've been using visitherm stealths since then (seems like a common thing!)

not to mention the stealths are thinner and being black, they actually catch your eye less!
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