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Old 04-28-2009, 12:03 AM   #1 
thatguy
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help

hey i just bought a brand new 50 watt heater for my 10 gallon tank, the heater is rated for up to 15 gallons. but i cant seem to get the water temp up to 70 and the ive already returned and replaced for the same heater. anybody know why this is happening and how will it affect my betta?
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Old 04-28-2009, 09:01 AM   #2 
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Many heaters have a light that glows when the heater is working, does yours have such a light? Many heaters also have a dial to set the temp but these dials aren't even close sometimes as far as accuracy. For example, One of my heaters ,,I set for 82 degrees according to the heater but to get actual 82 degrees,, I had to set the dial for almost 90. You need to go by thermometer in the water rather than the dial setting on the heater. I suppose it's also possible that you got two defective heaters but I think this ,,unlikely.
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Old 04-28-2009, 09:39 AM   #3 
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Hi thatguy,

I have had the same problem as 1077 describes, I have to set my heater higher than the 82/84 to actually get the thermometer to read the temp I want the tank to be....strange tho coz it`s only one tank I have this problem with, a 13G with 100W heater.
Anyway, I have noticed a huge difference between having the filter on or off too. Obviously if there`s no flow in the water the heater will only stay on for so long as it thinks it`s warm enough already but.....turn the filter on and create a flow and the heater comes on more often and for longer.

Weird but I guess it`s just trial and error as to whether you need to try and set your heater slightly higher but make sure you keep an eye on the temperature that the water is actually reaching.

Lise x
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Old 04-28-2009, 11:15 AM   #4 
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ive had the heater on full all night and the water only went up 2 degrees, still not enough. but this morning ive also notice all the walls and bottom of the tank are covered in tiny bubbles, ive already had someone tell me that its only a bubble nest, but i took the fish out a few days ago. why is this happening?
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Old 04-28-2009, 11:30 AM   #5 
Chicklet
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The tiny bubbles on your walls are not a bubblenest, Bubblenest are on the surface.
The tiny bubbles appear sometimes after a fresh water change, Its just trapped air, They will disappear shortly.
Nothing to worry about, perfectly normal
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Old 04-28-2009, 11:41 AM   #6 
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I might try a different thermometer to check the temp. If temp still reads lower than what you want for your fish,, I would return the heater for another brand.
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Old 04-28-2009, 01:48 PM   #7 
MarieBettaMom
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Quote:
Originally Posted by Elisew View Post
Anyway, I have noticed a huge difference between having the filter on or off too. Obviously if there`s no flow in the water the heater will only stay on for so long as it thinks it`s warm enough already but.....turn the filter on and create a flow and the heater comes on more often and for longer.
Very interesting! I did not know this. I'm still waiting for my 25-watt Visitherm Stealth heater to arrive. I will probably put it in at a diagonal since people have mentioned this being more effective at heating the water.

I don't know if I can create enough "flow" in my little tank, hopefully it will be enough for my heater to function. Right now I turn on the filter on my Eclipse tank during the daytime after morning feeding, and I turn it off just before evening feeding. Since I've read that Bettas don't like too much water flow, I have placed a tall plant just underneath the water output part of the filter to help minimize water movement.
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Old 04-28-2009, 03:05 PM   #8 
Elisew
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I didn`t know previously either MarieBettaMom, not until I thought that all 3 heaters in the tank must be knackered. Seems that since I switched the heater back on the water has circulated and the temp has actually become even in the tank and the temperature I wanted.
Strange!! but we live and learn huh? lol

Lise x
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Old 04-28-2009, 03:48 PM   #9 
LaniBaby
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i use the stealth heaters. I like them but I do have to set them a little higher than the actual temp they're reading, both of them. I use a 25 watt and a 50 watt, both in 3 gal tanks (they didn't have a 25 watt when I went to the store in a hurry... my other one crapped out after a major tank overhaul.)

Chicklet's right about the bubbles. If you go to the photo section i posted a photo of fin rot. You can see the bubbles on the glass. It's usually after a full water change; You can stir the water a little to get them to go away if they bug you.
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Old 04-29-2009, 11:37 AM   #10 
thatguy
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i just got a filter for my tank and the low water movement seems to allow the water to heat up and stay evenly heated. my betta is back in and he seems happier now, except he doesnt seem to like his reflection , he keeps going crazy and flaring his gills. its fun to watch, but is this normal?
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