Erachem Mexico De shipped to Schouten Potgrond / Culvita aboard ocean vessel Msc Melissa loaded at Altamira, Mexico and discharged at Houston, Texas on January 25, 2014. The cargo was described for US customs as 'manganese sulfate net weight 24000 kgs with 96025 kg bags with manganese sulphate monoh ydrate tecmangam minigranular manganese sulfate net weight 24000 .