The amount in the items is proportional to the current, and when two or maybe more electrolytic cells are linked in sequence to a similar energy source, the merchandise generated in the cells are proportional for their equal weight. These are known as Faraday's regulations of electrolysis. Norton Rose Fulbright https://pem-electrolyser56666.wikipowell.com/6486730/a_secret_weapon_for_pem_electrolysis