I ended up leaving the rubbery shellac in salt water for three days. No significant deterioration was seen. It was all still basically in tact, there were some small soft or half dissolved pieces coming off. This was a very extreme condition, one which would never happen on any normal surf session. I would still like to see if adding some mineral powder will make it more waterproof. Stay tuned for the addition of calcium carbonate…

Before

ECFA1DB6-491F-4B63-8CD3-A18449684212

After

6876AF90-3B7E-40C9-8452-FEBFA51FB779

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