Looks like there is a translucent sponge encroaching on the frag plug. Usually these are harmless filter feeders, but they can be killed by injecting them with air, boiling water, or hydrogen peroxide.
Looks like there is a translucent sponge encroaching on the frag plug. Usually these are harmless filter feeders, but they can be killed by injecting them with air, boiling water, or hydrogen peroxide.