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Bulk Chemicals

A range of Bulk Chemicals, such as chlorine granules which is the most commonly used to stabilise chlorine donor.

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Extended 1 Year Warranty

In addition to the manufacturers standard warranty (usually 1 year) we also offer the opportunity for you to extend this warranty by a further 1 year for a one off fee. This can be arranged at the point of purchase or within a limited time afterwards.
An extended warranty is an easy way to protect your purchase, against any manufacturing defects causing breakdown. You will benefit from free repairs for the term of the warranty period & If your equipment can't be repaired then we will replace it free of charge.(A delivery surcharge may apply for non UK mainland addresses)
This warranty and the standard manufacturer’s warranty does not cover general wear and tear, abuse or misuse or incorrect installation.
If you would like any further information on our extended warranty scheme please call our Hydrospares team on 01326 371 488 OR email us at info@hydrospares.co.uk

COMPARE Pure-Spa - Chlorine Tablets - 20g
Pure-Spa - Chlorine Tablets - 20g
Trichlor - 1kg or 5kg

Pure-Spa Chlorine Tablets provide a slow-dissolving sanitiser for hot tubs and pools, delivering a steady chlorine release over 5-7 days. Designed for use in a floating dispenser or inline dosing pod, they help maintain consistent chlorine levels of 3-5 ppm, reducing manual dosing and keeping water clean and bacteria-free.

Pure Spa
Slow-Dissolving 20g Chlorine Tablets
Suitable for Dispensers & Inline Feeders
Maintains Consistent Chlorine Levels
Long-Lasting Sanitisation
From £11.47 (Inc VAT)
QF: CHM-9185
39 In StockSame day dispatch if ordered by 14:00
CHM-9185
COMPARE Pure-Spa - Multifunction Chlorine Tablets - 20g

/200g
Pure-Spa - Multifunction Chlorine Tablets - 20g /200g
1kg or 5kg

Pure-Spa Multifunction Chlorine Tablets provide a complete water treatment solution by combining sanitisation, algicide, and clarifier in a single slow-dissolving tablet. Designed for use in a floating dispenser or inline dosing pod, they help maintain a steady chlorine level of 3-5 ppm, prevent algae growth, and improve water clarity, ensuring crystal-clear spa water with minimal maintenance.

Pure Spa
Slow-Dissolving 20g Chlorine Tablets
Contains Algicide & Clarifier for Complete Water Care
Suitable for Floating Dispensers & Inline Feeders
Long-Lasting Sanitisation Over 5-7 Days
From £11.57 (Inc VAT)
QF: CHM-9186
103 In StockSame day dispatch if ordered by 14:00
CHM-9186
COMPARE Pure-Spa - Non-Chlorine Shock
Pure-Spa - Non-Chlorine Shock
1kg or 5kg
  • Pure-Spa
  • 1kg
  • Breaks Down Waste
  • Improves Bromine
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £20.06 (Inc VAT)
QF: CHM-9192
61 In StockSame day dispatch if ordered by 14:00
CHM-9192
COMPARE Pure-Spa Bromine - Infused Granules
Pure-Spa Bromine - Infused Granules
1kg or 5kg
  • Pure-Spa
  • 1kg
  • Odourless
  • Easy to use
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £29.00 (Inc VAT)
QF: CHM-9189
46 In StockSame day dispatch if ordered by 14:00
CHM-9189
COMPARE Pure-Spa Chlorine Granules (Dichlor)
Pure-Spa Chlorine Granules (Dichlor)
1kg, 5kg or 25kg
  • Pure-Spa
  • Spa Chlorine (Dichlor)
  • Granules - 1kg
  • Ideal for Daily Disinfection
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £10.89 (Inc VAT)
QF: CHM-9187
191 In StockSame day dispatch if ordered by 14:00
CHM-9187
COMPARE Pure-Spa Chlorine Shock
Pure-Spa Chlorine Shock
1kg, 5kg, & 25kg
  • Pure-Spa
  • 1kg
  • Rapid Dissolving Unstabilised Chlorine Granules
  • Use on Weekly Basis
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £13.93 (Inc VAT)
QF: CHM-9191
28 In StockSame day dispatch if ordered by 14:00
CHM-9191
COMPARE Pure-Spa Chlorine Tablets - 5Kg (Box of 4)
Pure-Spa Chlorine Tablets - 5Kg (Box of 4)
Small Trichlor Tablets - 20g
Pure Spa
£157.45 (Inc VAT)
QF: CHM-9378
23 In StockSame day dispatch if ordered by 14:00
CHM-9378
COMPARE Pure-Spa Chlorine Tablets 200g - 5Kg
Pure-Spa Chlorine Tablets 200g - 5Kg
Large Trichlor Tablets - 200g
Pure Spa
pure-spa
5kg
large tablets
easy-to-use
£32.71 (Inc VAT)
QF: CHM-11500
12 In StockSame day dispatch if ordered by 14:00
CHM-11500
COMPARE Pure-Spa pH Minus
Pure-Spa pH Minus
1.5kg, 7kg or 25kg
  • Pure-Spa
  • pH Reducer
  • Granules
  • 1.5kg
Pure Spa
Granules
Odorless
Easy-to-Use
Weekly Dosing
From £6.84 (Inc VAT)
QF: CHM-9193
79 In StockSame day dispatch if ordered by 14:00
CHM-9193
COMPARE Pure-Spa pH Plus
Pure-Spa pH Plus
1kg, 5kg or 25kg
  • Pure-Spa
  • Spa pH Plus
  • Granules
  • 1kg
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £8.13 (Inc VAT)
QF: CHM-9194
201 In StockSame day dispatch if ordered by 14:00
CHM-9194
COMPARE Pure-Spa Total Alkalinity Increaser
Pure-Spa Total Alkalinity Increaser
1kg, 5kg or 25kg
  • Pure-Spa 
  • Alkalinity Increaser
  • Granules - 1kg
  • Use As Needed
Pure Spa
Pure-Spa
Odorless
Easy-to-Use
Weekly Dosing
From £8.20 (Inc VAT)
QF: CHM-9195
81 In StockSame day dispatch if ordered by 14:00
CHM-9195
COMPARE Granular Salt - Sack 25Kg
Granular Salt - Sack 25Kg
For Pool Water Chlorination
  • 25Kg Sack
  • Manufactured From Pure Dried Vacuum Salt
  • Rapid Dissolving
  • Flat Rate Delivery Surcharge of £6 per Bag Apply
Hydrospares
25kg
domestic, commercial and industrial use
For Pool Water Chlorination
£21.17 (Inc VAT)
QF: 7408
RRP: £30.24
Special Order ItemLead time to be confirmed
7408
COMPARE Blue Horizons pH PLUS - 5kg
Blue Horizons pH PLUS - 5kg
Powder Form
  • Blue Horizons
  • pH Plus
  • 5kg
  • Increasing pH for Pool Water
Blue Horizons
PH Plus
5kg
For Pool Water
 
DiscontinuedPlease see alternatives
CHM-9373
blue horizons
25kg
hardness increaser
for hot tubs & pools
 
DiscontinuedPlease see alternatives
CHM-9343
 
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