To get started with your hot tub, you'll need the following chemicals: Chlorine sanitisers kill bacteria with bromine alternatives suited for sensitive skin. Keep your spa water balanced with our pH & alkalinity increasers and reducers. Water conditioners improve the look and feel of your tub's water, while filter & pipe cleaners and cleaning tools keep it sparkling fresh. Get a testing kit to check water balance and a shock treatment to oxidise chemicals in your spa. Our hot tub starter kits will help you get to grips with your spa maintenance, providing a quick and easy way to handle your hot tub care. A hot tub chemical kit is essential for keeping your hot tub safe to use, ensuring your spa water is treated, so you're protected from bacteria and algae when enjoying your hot tub. All our hot tubs come with a hot tub starter kit as standard, so you'll be up and running in no time!