check th scale with some different items to see if it worknig ( it might be needing ot be repalced or sent bac kt obe checked..) I use a soda can cause i know they about 200 grams i think i weight.. I got a bp( an almost adult in size ) weight about 1700 grams that ate several asfs and a large rat since coming into my care and only go once. and I happen to weight the cleaned up section ( I scoup the are when spot cleaning with an modified bowl ) then weighted the bowl after with shavings ( which were not a lot) the trud was over 200 grams and that dry not wet since she when right after I cleaned the cages and went to my grandmother's for the next 2 days lol. When the bp goes watch out I know he older one seem to liek to go right as you clean the cages or try to go on me when I handle them beoer hand lol.. ( I learned to handle the snakes, offer food, and then clean the tubs the next night )