Ok so ive had my new rack for about 3-4 weeks i just moved it back to my place from my girls.at her place all the temps were the same but now i cant get them all to match im putting the prob in the tub under the hide on the warm side but it will show 91* and two tubs down reads 85* and im useing a dig temp gun so i dont know what im doing putting prob in the wrong spot?