Kelp Juice is a drink in Bikini Bottom. It is like the Kelp Shake. It's first and last appearance was in the episode: Chum Bucket Supreme. In that episode Patrick goes to the Chum Bucket and has a bottle of Kelp Juice in his hand. Patrick then thinks that Plankton wants some and gives some to him, but Plankton just throws it to the ground. Patrick probably likes this juice.