Fill a pot with salted water or vegetable stock and bring to a boil. Reduce heat to a simmer and add the conch to the pot. Simmer the conch for 3 to 5 minutes and remove from heat, letting them cool briefly in the liquid.
Also know, how do you clean algae off a conch shell?
You need enough bleach and water to fully submerge your conches. Soak your shells for 24 hours. Once you’ve mixed the bleach and water, add your conches to the solution. In about 24 hours, you can remove them from the solution.