Do They Work

kizno1

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do the lcd themomters that stick on the out side of the tank give a accurate reading because wouldnt it be affected by the room temp
 
They are normally off by 0.5-1C but due to the heat sensitive dyes used it gives you a range which shows the most likely temperature and the temp above and below is normally slightly coloured and that intensity you can use to gauge actual temp. I use one on my tank :)
 

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