Will Bleach Clean Seashells?

1~ Soak your seashells in a 50/50 solution of bleach and water. The length of time depends on the type of seashells and the number of seashells being cleaned. Just be sure to remove them when the periostracum (that crusty, leathery covering that I mentioned earlier) is gone.

How long should I soak seashells in bleach?

Slimy and Smelly Finds

In many cases, rinsing in a 50/50 water and bleach solution for 10 minutes, rinsing with cool or lukewarm tap water, and then letting them dry will solve the problem of shells, sand dollars, and urchins that are coated with algae, smelly, or have a dull color.

What can I use to clean seashells?

Rinse your shells in a large bowl with a little dish soap. This should be a rough clean, just to remove any large pieces of dirt. From there, you can rinse your shells and then place them back in the large bowl, and soak them in a 5o-50 water and bleach solution.