I am ordering the flexwatt tape for my just completed rack that holds 10 sterilite 41 qt containers. What do you guys feel is the best size for balls..my corns do well w/ 3 inch but they stay at a cooler temp than balls. I am going to use newspaper as substrate so it shouldn't use as much current to maintain 90 degrees on the warmer end. Room temp fluctuates between 72-75 degrees so if I need to I'll have 3 inch tape on the cool end as well maitaining temp's in low 80's there.

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