IronChefItaly Posted September 11, 2013 Report Share Posted September 11, 2013 (edited) I'm in the middle of treating ich and i'm having issues keeping my tank at 28 degrees celsius. I have 3 methods of measuring temperature. 1) liquid crystal strip - says 25 degrees 2) floating alcohol based thermometer - says 25 degrees 3) the thermometer built into my heater - says 29 degrees So i'm guessing my current heater which is a Marineland 150 watt (recommended up to 40 gallons) is out to lunch but i just bought and replaced my Fluval heater which was registering a temperature of 27 but my other two thermometers consistently display 3-4 degrees lower... Causes?... a) not enough water circulation around heater b.) heaters are garbage c) other two methods of temperature measurement are inaccurate If anyone has good experience with a particular heater or an opinion / advice i would greatly appreciate it. Thanks Edited September 11, 2013 by IronChefItaly Quote Link to comment Share on other sites More sharing options...
SuperGuppyGirl Posted September 12, 2013 Report Share Posted September 12, 2013 The heater itself is displaying the temp it's at and you may just not have enough water circulation in the tank to spread the heat up to the desired temp could be the most likely possibility Quote Link to comment Share on other sites More sharing options...
AcademyElite Posted September 12, 2013 Report Share Posted September 12, 2013 You could try an in-line heater Quote Link to comment Share on other sites More sharing options...
JoshJ Posted October 3, 2013 Report Share Posted October 3, 2013 Another option is to plug your heater into a thermostat (or temperature controller, as some prefer to call it). You set your heater at a higher temperature, and then your thermostat at the temperature you want to achieve. Your heater will run until the thermostat turns it off. The problem, I have heard, with heaters is that their temperature gauges are not as accurate as something like a thermostat. Apart from that, in-line heaters are awesome. Also, look into circulation in your entire tank. If your circulation is poor, you will have warm and cool spots. Quote Link to comment Share on other sites More sharing options...
Shambhalove_ Posted November 7, 2013 Report Share Posted November 7, 2013 Trust the 2 thermometers with the same reading, the "thermometers" that are built in to the heater are usually off. Try not to go crazy trying to find the exact temp between all of them, every thermometer has an accuracy +/- rating that is usually 1-2 degrees, so you may just being seeing the difference in accuracy. ....a man with 2 watches never knows what time it is... Quote Link to comment Share on other sites More sharing options...
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