A waterlogged Sea Pickle can be set on fire by using flint and steel.
Steps to Reproduce:
Use a water bucket to place water.
Place 3 Sea Pickles in the block of water. (it may work with more or less sea pickles, but i haven't checked)
Use flint and steel to set the waterlogged sea pickle on fire.
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However, this issue is a Duplicate of MCPE-62219.
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