Collection: Spa Chemicals

PH Minus Hot Tub

Our range of high-quality spa chemicals are everything you need to keep your hot tub, swim spa or pool water safe and crystal clear.
Browse our chemicals below or use the filter to refine your search.
31 products
  • Hot Tub Conditioner Liquid Sachet 120ml
    Hot Tub Conditioner Liquid Sachet 120ml
    Regular price
    £2.93
    Sale price
    £2.93
  • Spa Fusion Sachet 35g
    Spa Fusion Sachet 35g
    Regular price
    £3.43
    Sale price
    £3.43
  • Floating Tablet Dispenser
    Floating Tablet Dispenser
    Regular price
    £5.34
    Sale price
    £5.34
  • Immerse Cartridge Cleaner Sachet 2 x 50g
    Immerse Cartridge Cleaner Sachet 2 x 50g
    Regular price
    £5.58
    Sale price
    £5.58
  • pH Plus 1kg
    pH Plus 1kg
    Regular price
    £5.72
    Sale price
    £5.72
  • Hardness Plus 1kg
    Hardness Plus 1kg
    Regular price
    £6.84
    Sale price
    £6.84
  • pH Minus 1.5kg
    pH Minus 1.5kg
    Regular price
    £6.86
    Sale price
    £6.86
  • Total Alkalinity Plus 1kg
    Total Alkalinity Plus 1kg
    Regular price
    £6.86
    Sale price
    £6.86
  • 4 Way Test Strips
    4 Way Test Strips
    Regular price
    Sold out
    Sale price
    £6.99
  • Stabilised Chlorine Granules 1kg
    Stabilised Chlorine Granules 1kg
    Regular price
    £8.88
    Sale price
    £8.88
  • 6 Way Test Strips
    Regular price
    £9.33
    Sale price
    £9.33
  • Gift Card
    Gift Card
    Regular price
    £10.00
    Sale price
    £10.00
  • pH Plus 5kg
    pH Plus 5kg
    Regular price
    £11.69
    Sale price
    £11.69
  • FoamAway 1 Litre
    FoamAway 1 Litre
    Regular price
    £12.16
    Sale price
    £12.16
  • ScaleAway 1 Litre
    ScaleAway 1 Litre
    Regular price
    £12.16
    Sale price
    £12.16
  • Spa Sparkle 1 Litre
    Spa Sparkle 1 Litre
    Regular price
    £12.16
    Sale price
    £12.16