Getting a quick link for my shimano chain

Cleaning my road bike chain has become a bit of a hassle with the chain still on the bike. My current Shimano CN-HG53 9-speed Bicycle Chain (https://www.amazon.com/gp/product/B005W5FWPQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1) has no quick link and cant be removed without needed to buy...