ok you guys are scaring me abotu the tape in the terariium so i went and bought a zoo med heat cable...it says the first 6.5ft is cold lead, but doesnt exactly describe it. will it be 10 degrees cooler than the hot lead...? should i run the cool lead all throughout the cool side and then graduate it to the hot side then arrange it...just looking for some help.....i wish the description/instructions would explain more

thanks
Dan