The Business Scrub at Zora Cove doesn't have enough Bubble Kelp to open up shop and asks you for help.
Where to Start the Quest
Go north from Seesyde Village, then go east across the bridge, then go southeast to the beach. Go to the east side of the beach and approach the counter, then talk to the Business Scrub.
How to Complete the Quest
Give three Bubble Kelp to the Business Scrub. You can find Bubble Kelp underwater in Jabul Waters if you spin to cut kelp, and it sometimes drops from Sand Crabs in the Jabul Waters area.
Quest Reward
The Business Scrub gives you 20 rupees and opens the Zora Cove Smoothie Shop.