Weight Increase on Earthenware Jug

Could there be an weight increase on Earthenware Jug because this item weighs only 1.00 so its a lot lighter to carry all the materials of an explosive jar and just make it one by one once you arrive at the base you want to blow up.

Explosive Jar weighs 10.00

Earthenware Jug 1.00, 5 x Tar 0.50, dragonpowder 0.10.