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Product Reviews
5492 reviews on 1118 products!

ProductsTemperature ControlHeaters
Hagen Thermal Pre-Set Heaters
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Product Description:
Hagen Thermal Pre-Set HeatersMaintaining a consistently correct temperature is important to the health of your aquarium fish. If your fish require a heater, a Hagen Thermal Pre-Set Heater is the answer. They're equipped with a rotary temperature set dial, waterproof seal, pilot light and a ceramic heater core for even heat. Strong suction cups hold heater securely on to aquarium wall. Choose from several wattages to accommodate aquariums of all sizes. Includes a manufacturer's one-year warranty.
Product Specifications:
50Watt, 10.5"; 100Watt, 10.5"; 150 Watt, 12.5"; 200 Watt, 12.5"; 300 Watt, 13.5" .
User Ratings: (16 reviews)
Overall: 7.53
Value/Cost: 7.06
Effectiveness: 8.63
Quality: 6.63
Ease of use: 7.81
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Found: 16 reviews Page  2 - View all
MightyM has used this product for 1-3 Years.
Overall Rating: 5.5/10 August 31, 2007
"die on me in the coldest month."
paid over $40 for the heater to find out it died in less than 2 years.
kennyman has used this product for 1-3 Years.
Overall Rating: 6.5/10 January 10, 2007
"so-so"
I have 3 of these left out of 5. I dont believe they are truely submersible but they dont fit right sticking up out of the tank either. They are cheep enough and keep the tanks warm but leak after a while.
has used this product for 3 Years or More.
Overall Rating: 8.5/10 July 11, 2006
"9 years and counting"
The 150 watt does a very good job at keeping a consistent water temperature in my 35 gal. The suction cups on the holder have become hard and decayed after a few years. The only complaint I have is the temperature setting is inaccurate and a separate thermometer is required. 9+ years and still going.
danferd2002 has used this product for 3-12 Months.
Overall Rating: 9/10 May 21, 2005
"Reliable"
I have the 200w version on my 45 gal. it stays at a constant 80 degrees. Its a set and forget kind of heater.
JG has used this product for 1-3 Years.
Overall Rating: 8.5/10 January 3, 2005
"Definitely a Solid Mid-Range Heater!"
After moving back to Canada and jumping back into the hobby, I decided to go with this brand as it had a reasonable retail price and seemed sturdy. I've used the 150 watt heaters in my 42 gallon tanks without a glitch. EJ's are good, but I wouldn't short change this heater.
Phtstrat has used this product for 1-3 Months.
Overall Rating: 7.5/10 December 6, 2004
"Decent, So Far"
I have 2 300w in my 125 pygocentrus tank. So far they've kept it above 80 most of the time, which is what I need.
haveman has used this product for 1-3 Years.
Overall Rating: 5/10 March 27, 2004
"Why bother?"
I had a 150W as support in my 55gal show tank and it failed - it was 2.5 years old - lost all of my 3-4 year old Peacocks/Mbuna.
As bad as that sounds I gave my brother in law another 150W for his 29gal that was less than 2 years old. We didn't talk for three weeks after my catastrophe and forgot about it and .... thats right - more fish soup.
EJ's RULE !!!
RiftnReef has used this product for 0-1 Month.
Overall Rating: 6.5/10 March 22, 2004
"Not the best, but will do in a pinch."
I've had 2 of these heaters fail on me around the 2 year mark now, and I'm not very please with that. I've had other brands of heaters last 10+ years. this made me remove the 300w(less then 6 months old) from my marine tank's sump for inspection, and I found weld type marks on the glass where the controler gets very hot. Its no wonder these heaters give out. I removed that heater, and replaced all my heaters with tronic's and ebo-jager's. I hung on to a couple of the newer thermals I had in case of emergency, but I don't think I will be depending on this heater for day to day use any more.
Kinguni has used this product for 3-12 Months.
Overall Rating: 7.5/10 March 15, 2004
"Good heater - temperature setting is wrong"
I have the 100 watt model, and the one thing I have to say is to make sure you verify your water temperature with a thermometer since the temperature setting dial is wrong. 76 on the dial on mine is actually over 80.

Other than that, it keeps a very steady temperature in my aquarium.
natealvis has used this product for 3 Years or More.
Overall Rating: 9/10 December 27, 2003
"work's great"
i have had a 200 watt heater in my 35 gallon saltwater aquarium for three or more years, then it started to form a precipitate on the inside, as well as looking like it had caught on fire. i have had three of these, the other two work fine. it keeps a perfect temperature, but heaters can only work so long, i replaced it with a visi-therm, which after six months i have to replace, and i am thinking about another pre setter
Bangbang has used this product for 1-3 Years.
Overall Rating: 9/10 August 6, 2003
"No problemo"
I have used these without any mishaps. My 300 is on a 100 marine tank at a constant 76 degrees.
Lauren has used this product for 1-3 Years.
Overall Rating: 7.25/10
"Pretty good"
It's provided really consistent water temperature. At first I had to fiddle around with the setting gauge for a while to get it right (it's not that clear) but now that it's set it's great; I never have to touch it.
manofsnow has used this product for 1-3 Years.
Overall Rating: 3.75/10
"Killed all my fish!!!"
I used to deal these at my place of epmloyment and used to swear by them. I would sell them to everyone and everything. A few months later they started coming back for failing. I didn't think anything of this using them myself and one day it didn't turn off and I lost over $1,000 if fish. I would never suggest this product to anyone and would go with a Tronic or other better brand.
rik125 has used this product for 1-3 Months.
Overall Rating: 9.5/10
"great heater"
The thin size makes this heater look better than others .I only had to adjust one time and my tank is a consistent 80` very accurate.
Reiner has used this product for 3-12 Months.
Overall Rating: 8.75/10
""
I have a 300 watt in my 80 gallon tank and it keeps the temp at a constant 76 degrees. At night the room temp is set to 65 but the tank always stays the 76. I like it better then the Ebo since the Od of the heater is about half of the Ebo. I also have a 75 watt on my small 26 gallon tank for about 18 month and had never any problems either.
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Ratings are submitted by Cichlid-Forum users based upon their own subjective views and do not necessarily reflect the opinions of Cichlid-Forum.com. CF disclaims any responsibility for the accuracy of information contained in reviews submitted by users, or for any damage or liability arising from the content of any review appearing on Cichlid-Forum.com. All product information on this site, including descriptions and specifications, is based soley on information made available by manufacturers. CF disclaims any responsibility for this information or the products listed. Product information may be inaccurate and is subject to change without notice. You should confirm all information before relying on it by contacting either the manufacturer or vendor with any questions about the products or the information presented.






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