Download the Hydrospares app today for smoother browsing & exclusive deals - available on both Android & iOS
Click & Collect
Fast UK Delivery
Secure Shopping
Over 125,000 orders shipped
Hassle free returns
Trusted by the trade
Friendly knowledgeable team
20 years established
Click & Collect
Fast UK Delivery

Pool Chemicals

Quality swimming pool chemicals, testing and dosing supplies from premium brands such as Aquafinesse & Pure-Spa.

Use the main filters below to narrow down your search.

Pure-Spa Stabilised Chlorine Granules (Dichlor)

25kg Drum - Pallet Delivery Only - Please contact us

3 In Stock
Same day dispatch by 14:00
CHM-5566
£119.95INC VAT
Pure-Spa pH Minus

1.5 kg, 7 kg, 500 g or 25 kg

133 In Stock
Same day dispatch by 14:00
CHM-9193
£6.84INC VAT
Pure-Spa Chlorine Shock

1kg, 5kg, & 25kg

12 In Stock
Same day dispatch by 14:00
CHM-9191
£13.93INC VAT
AquaFinesse - Pool Water Care Kit

Clear & Clean Water With Only One Dose Per Week!

1 In Stock
Same day dispatch by 14:00
CHM-3443
£52.99INC VAT
107 In Stock
Same day dispatch by 14:00
CHM-9187
£10.89INC VAT
Darlly In-Line Chemical Dosing SpaPod - DL815+

For use with SaniStream PLUS filters

25 In Stock
Same day dispatch by 14:00
FIL-12050
£4.49INC VAT
20% DISCOUNT
SAVE £1.13
14 In Stock
Same day dispatch by 14:00
CHM-11751
£20.22INC VAT
3 In Stock
Same day dispatch by 14:00
CHM-11771
£19.40INC VAT
29 In Stock
Same day dispatch by 14:00
CHM-11770
£10.89INC VAT
19 In Stock
Same day dispatch by 14:00
CHM-11769
£40.44INC VAT
Pure-Spa - Algicide - 2ltr

Regular Algae Control for Your Pool

6 In Stock
Same day dispatch by 14:00
CHM-11744
£19.05INC VAT
13 In Stock
Same day dispatch by 14:00
CHM-11754
£14.77INC VAT
Metal Klear

Blue Horizon

11 In Stock
Same day dispatch by 14:00
CHM-11545
£19.18INC VAT
30% DISCOUNT
SAVE £8.21
16 In Stock
Same day dispatch by 14:00
11550
£6.30INC VAT
30% DISCOUNT
SAVE £2.70
8 In Stock
Same day dispatch by 14:00
FEE-11501
£9.99INC VAT
33% DISCOUNT
SAVE £4.99
Pure-Spa Chlorine Tablets 200g - 5Kg

Large Trichlor Tablets - 200g

43 In Stock
Same day dispatch by 14:00
CHM-11500
£32.71INC VAT
Blue Horizons Chlorine Reducer - 1KG

Lowers Chlorine & Bromine

Due to be discontinued.
last 6 In Stock.
CHM-9431
£10.95INC VAT
25% DISCOUNT
SAVE £3.65
Pure-Spa Measuring Scoops

Either 10ml & 50ml

4 In Stock
Same day dispatch by 14:00
11363
£0.99INC VAT
-50% DISCOUNT
3 In Stock
Same day dispatch by 14:00
10599
£32.91INC VAT
25% DISCOUNT
SAVE £10.97
85 In Stock
Same day dispatch by 14:00
CHM-9186
£11.57INC VAT
Discontinued
CHM-9343
Discontinued
CHM-9086
Out of Stock
Available to Back Order
CHM-9351
£22.89INC VAT
25% DISCOUNT
SAVE £7.63
Out of Stock
Available to Back Order
CHM-8023
£30.03INC VAT
30% DISCOUNT
SAVE £12.87

Subscribe to emails to unlock your FREE GIFT

Sign up for product news and exclusive offers from Hydrospares.

Your email address will never be shared, and you can opt out at the touch of a button.