It will only produce 100 Achatina paste at a time. Once it holds 100 it stops producing so be sure to collect it often. You can carry these while flying a mountain as well so flying to the artic with one and clubbing penguins and storing the organic polymer in the snail takes advantage of the 3x spoil timer. Pump carry weight and FOOD
Just find a couple wild ones then pick up with a flyer then put in a pen. Will excrete achatina paste still without taming. Also these guys can drop angler gel in mobile so, hunt them. More common in the redwoods and swamp junction.