Instructions first, soak your sand dollars in a tub of fresh water, changing the water every few hours for a total of about 2 days.

Bleach a sand dollar. It’s a good idea to soak your shells for a longer. To bleach a sand dollar, soak it in a bleach solution for about 15 minutes. Here are the simplified steps:

July 5, 2023 by lee rowe. Soak the sand dollars in the bleach solution for about 10 minutes. Cover the whole surface (top and bottom) of the sand dollar with the mixture using a clean sponge.

In a bucket, mix 3/4 water with 1/4 bleach. Next, make a mixture of 4 parts water and 1 part bleach in a. Remove in about an hour or after turning.

You should only allow your sand dollars to soak in the bleach for 10 minutes if you have a timer. The sand dollar skeleton, sometimes also referred to as the sand dollar fossil, or test (a test is a skeleton of an urchin) is the hard shell that is left after. Remove the sand dollars from the bleach mixture and rinse with fresh water.