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25 of 26 people found the following review helpful:
Perfect heater for small tanks
I bought these for my 2.5gallon killifish tanks. These heaters take up very little space in the small tanks, since they are flat.
But be aware that these heaters don't have temperature controls, so the water temperature will change when the room temperature changes. My tank temperature ranged from 92F to 70F with the heater plugged in from May to...
Published on December 14, 2006 by M. Lee
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8 of 9 people found the following review helpful:
Hot, hot, hot!
I purchased this for a 2.5 minibow aquarium and found that if you leave the light on ASWELL as the heater it can cause a BIG temperature jump. I mention this because my betta really got stressed from all that heat the first day - I think he got a little sick because of his clamped fins and lethargy the next day. So be careful that the heater doesn't overheat your...
Published 23 months ago by Ghostcat
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25 of 26 people found the following review helpful:
Perfect heater for small tanks, December 14, 2006
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I bought these for my 2.5gallon killifish tanks. These heaters take up very little space in the small tanks, since they are flat.
But be aware that these heaters don't have temperature controls, so the water temperature will change when the room temperature changes. My tank temperature ranged from 92F to 70F with the heater plugged in from May to December. I had to unplug the heaters on very hot days. It seems that these heater will raise the water temperature in a 2.5gallon thank by 8 to10F over the room temperature.
Finally, all 6 mini heaters that I own have been reliable for 8 months now, and all are consistent in how much they heat the same volume of water.
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20 of 20 people found the following review helpful:
Good heater for tiny tanks., March 8, 2007
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
This heater works well, not bad for small tanks (5 gallons or less). I purchased this for my 1 gallon tank, and it heated the water up to the low 80s. The heater works submerged or placed under the tank. I keep my apartment on the cool side, so this heater did the trick. A word of warning, though--if you have a 1-gallon tank, make sure you have a thermometer in it, because if you keep your home temperature in the high 60s and into the 70s, chances are the heater will then heat the water too warmly, into the mid to upper 80s, at which point you'll have to unplug the heater and monitor the temp as needed. Still, not bad for the price.
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27 of 29 people found the following review helpful:
Great Product, November 3, 2006
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I purchased this heater for our beta who lives in a 1 gallon jar; note the heater is spec'd for 2 to 5 gallon containers. During the winter we keep our house at 60 degrees and this heater keeps the jar at a consistent 72.
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14 of 14 people found the following review helpful:
pleasant little heater, February 24, 2008
A Kid's Review
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I bought this little gadget to heat my Beta's bowl after he went into pseudo-hibernation. I was afraid a one-gal bowl would overheat so I got a 2-gal one for it. It started warming up immediately, and as all the other reviews state, it gets it about 5-10 degrees above room temperature. Since it doesn't have a thermostat, you really don't want it to do more than that for fear of overcooking your little friend.
My Beta LOVES it. It took him two and a half weeks to come out of his stupor, but he's eating again. It's harmless enough that he actually huddled up behind it, so it clearly doesn't bother him to touch it. He likes it a lot warmer than room temperature (he's really happy at 80 degrees!). SAM (the fish) and I are both very thankful.
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12 of 12 people found the following review helpful:
Great mini heater, February 18, 2008
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I purchased the Hydor Mini 7.5W Heater for my .9 gallon tank with my betta. Note that the heater is spec'd for a 2-5 gallon tank. Before he had to deal with 70 degree temperatures, which is not ideal and borderline too cold. Since putting the heater under the gravel in the tank, the tank is now constantly between 75-80 degrees, which is the normal temperature for a betta. I highly recommend this product to keep your betta longer and keep him more comfortably.
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10 of 10 people found the following review helpful:
Makes the betta happy, March 11, 2008
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
My betta fish's water was mostly in the 60-degree range, below a betta's ideal temperature (70-80F). As a result, the betta was very inactive. I bought this heater for a one-gallon bowl, and it increased the water temperature about 10 degrees. Now the betta is very active.
Even though the specs say it's designed for a 2-5 gallon tank, I'd still recommend it for a 1-gallon bowl. Just keep an eye on the ambient temperature because this heater does not have an automatic shutoff.
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8 of 8 people found the following review helpful:
Heater makes Nigel Happy, November 21, 2007
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
This little heater works like a charm in a smaller tank. I have a 3 gallon tank with a single Siamese Fighting Fish. He's more active and happy now that his tank stays toasty. Quick turn-around as well. Exactly what I expected.
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8 of 9 people found the following review helpful:
Hot, hot, hot!, October 11, 2008
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I purchased this for a 2.5 minibow aquarium and found that if you leave the light on ASWELL as the heater it can cause a BIG temperature jump. I mention this because my betta really got stressed from all that heat the first day - I think he got a little sick because of his clamped fins and lethargy the next day. So be careful that the heater doesn't overheat your aquarium/bowl. My idea is to leave it on at night and then turn it off during the day so that the light can maintain the aquarium at a few degrees lower, it's the best option without a 15 watt automatic shut off heater in a 5 gallon aquarium, which is probably what I will do when I can afford it next month! Good luck:0)
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5 of 5 people found the following review helpful:
Great small heater!, November 22, 2006
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I purchased this item for a small 2.5gallon isolation tank. With the temperature dropping outside, it was getting too cold for my ill fish. With this heater, my sick tank is now around 76degrees, which has helped with aiding my ill fish.
The directions on the product about heating are very accurate, fas far as the temperature difference from room and then when you add the heater.
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4 of 4 people found the following review helpful:
Great Little Heater, February 27, 2009
This review is from: Hydor Mini Heater Aquarium Heater, 7.5 Watts (Misc.)
I bought this for my betta's 1 gallon bowl, and at first I was afraid it'd be too much for such a small bowl, but it works great! Though the temperature fluctuates several degrees, it keeps the temperature within a few degrees of 80, perfect for my betta. Since I've gotten this heater, he's been a lot more active now that the water is a better temperature for him. It's also small enough so it's not obtrusive and you can easily hide it behind some plants or under the gravel, I hardly notice it in the bowl anymore.
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