1 of 1 people found the following review helpful:

Excellent!

AWESOME HEATER! by DC_reef

Experience Level: Beginner

Posted on 3/24/2008 from NJ

Comments: I bought a Jager heater for my 12g Nano Cube because the brand seemed to get a lot of praise. However, it was not fully submersible which was a huge inconvenience...the power cord was a pain! And the temperature seemed to constantly bounce (+/-) 2 degrees! I bought the Hydor Theo 50-Watt and it's really SPECTACULAR! When I opened the box I was surprised by how small it was...and so far I've had it for a few days and the temperature only fluctuates at most about (+/-) .2 degrees! I'm also able to fully submerse it horizontally so it's more hidden from view. I highly recommend it. Yes, I would recommend this product to my friends.

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2 of 3 people found the following review helpful:

Great

Compact by MAXIMO HADDAD SPRECA

Experience Level: Intermediate

Posted on 12/11/2007 from MEXICO, MEXICO

Comments: It is the little heater that could. I have a small 5 compartment Betta tank (Aprox 4 Gal.) and it does its job fine. I only gave it 4 stars because the temperature scale is not very accurate, specially at 80+ temperatures. However, once set, it holds a very steady temperature. I recommendo users to guage temperature settings with an external thermometer to establish the right temperature. Yes, I would recommend this product to my friends.

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3 of 3 people found the following review helpful:

Excellent!

Small and smart by Timanator

Experience Level: Intermediate

Posted on 11/30/2007 from HOUSTON, TX UNITED STATES

Comments: I received the Hydor Theo 50 watt heater and it has worked wonderfully in my 17.5 Gallon Nano tank. The material and craftsmanship is absolutely top notch. This is the total throw it in, set the temp and forget about it heater. Yes, I would recommend this product to my friends.

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