This photo shows the sea wool sponges that was in the package that I purchased. When slecting a sea wool sponge try and select one that is very soft, you don't want to use an abrasive sponge on your plant leaves.
This photo shows the sea wool sponges that was in the package that I purchased. When slecting a sea wool sponge try and select one that is very soft, you don't want to use an abrasive sponge on your plant leaves.