I wish to insert that, whilst @JosEduSol's respond to is not incorrect and does assistance remedy the OP problem, -g is just setting the scope being world-wide, though -x is triggering the required surroundings variable being exported to little one procedures. Sizeable aquariums won't be ordinarily so seriously stocked, and https://petskyonline-onlinestrore.blogspot.com/2025/07/a-comprehensive-guide-to-aquarium-care.html