I have a 100 gallon tank I was gonna order about 3-4000 for it.
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I have a 100 gallon tank I was gonna order about 3-4000 for it.
No. Without supplemental heat they will all die.
>>I have a 100 gallon tank I was gonna order about 3-4000 for it.
I agree with the other response you got. They will need some kind of heating. Maybe a UTH pad in the middle of the tank.
40 - 50 degrees is pretty darn cold and I think you would get an aweful lot of die off.
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Lisa 
Cricket free babies!
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