Hot Tub & Spa Chemicals

Hot Tub & Spa Chemicals
Keep your hot tub or spa properly maintained with our range of water treatment chemicals and cleaning products from Chlorine Xpress.
Whether you’re maintaining a garden hot tub, inflatable spa or larger spa installation, we offer a selection of products to help with routine water care and maintenance.
Explore Our Hot Tub & Spa Products
pH Reducers (Dry Acid)
Our dry acid pH reducers are designed to help lower high pH levels and adjust alkalinity in spa and hot tub water. Available in convenient 1kg and 5kg sizes.
Multifunctional Chlorine Tablets
Convenient chlorine tablets for maintaining suitable swimming pool and spa water, where compatible with your equipment and the product instructions.
Hot Tub Pipework Cleaner
Our hot tub flush cleaner is designed for cleaning internal pipework and helping remove unwanted deposits and biofilm during routine maintenance.
Spa Anti-Foam Treatment
Reduce unwanted surface foam with our easy-to-use spa anti-foam treatment, available in 1-litre bottles.
Why Choose Chlorine Xpress?
At Chlorine Xpress, we supply swimming pool and spa maintenance products with convenient online ordering and fast UK delivery.
● Same-day dispatch on orders placed before 2 PM, Monday to Friday.
● Standard delivery: £5.99.
● FREE UK mainland delivery on orders over £30.
● Estimated delivery: 1–2 working days after dispatch.
Always follow the manufacturer’s instructions and product safety information when using spa chemicals.
Chlorine Xpress – Crystal clear water, Delivered fast.
Hot Tub & Spa Chemicals