Water testing

Test strips, liquid test kits and photometers for pools and hot tubs. Chlorine or bromine, pH, alkalinity and hardness are the four readings that decide whether your chemicals work at all.

Showing 1–18 of 58 resultsSorted by popularity

Digital 5-in-1 Water Tester for pH, Chlorine, ORP, Free Chlorine and Temperature Readings – 7 In 1
Rated 4.40 out of 5
~~£77.99~~ £50.69 Add to basket
Deep Blue Cooking Oil Quality Test Strips – FFA & Acid Value Test for Fryer Oil
Rated 4.51 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Ketone & BHB Test Strips – Urinalysis Test for the Keto Diet
Rated 4.51 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Lead Test Swabs – Instant Lead Test Kit for Paint, Toys, Dishes & Surfaces
Rated 4.54 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue E.coli Test Kit – Drinking Water Bacteria Test, Results in 15 Minutes
Rated 4.51 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Coliform Bacteria Test Kit – Drinking Water Test, EPA-Compliant (48 Hour)
Rated 4.49 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Lead Test Kit – Safety Test for Drinking Water (EPA Guideline Comparison)
Rated 4.50 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Phosphate Test Strips – Algae Prevention Water Test for Pool & Spa (0-1000ppb)
Rated 4.54 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Ammonia Test Strips – Water Test for Aquarium, Pond, Pool & Spa
Rated 4.50 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Nitrite & Nitrate Test Strips – Water Quality Test for Pond & Aquarium
Rated 4.49 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue 7-in-1 Pond & Fish Tank Test Strips – Aquarium Water Quality Check
Rated 4.52 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Drinking Water Test Strips – Tap, Well & Borehole Water Quality Test Kit, 16-in-1
Rated 4.50 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Water Hardness Test Strips – Calcium Hardness Test for Pool, Spa & Aquarium (4 Colour Pad)
Rated 4.51 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue 7-in-1 Swimming Pool Test Strips – pH, Chlorine, Bromine & Alkalinity Water Check
Rated 4.49 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Chlorine Dioxide Test Strips – Disinfectant Water Test for Pools & Spas (0-3000mg/L)
Rated 4.53 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue OPA Test Strips – Ortho-Phthalaldehyde Test for Disinfectant Strength (0-0.55%)
Rated 4.51 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue Glutaraldehyde Test Strips – Test Water Disinfectant Levels (0.5-3%)
Rated 4.53 out of 5
~~£49.99~~ £32.49 Add to basket
Deep Blue pH Test Strips 0-14 – Water & Liquid pH Test, Universal Use
Rated 4.50 out of 5
~~£49.99~~ £32.49 Add to basket

Showing 1–18 of 58 resultsSorted by popularity

Digital 5-in-1 Water Tester for pH, Chlorine, ORP, Free Chlorine and Temperature Readings – 7 In 1

Deep Blue Cooking Oil Quality Test Strips – FFA & Acid Value Test for Fryer Oil

Deep Blue Ketone & BHB Test Strips – Urinalysis Test for the Keto Diet

Deep Blue Lead Test Swabs – Instant Lead Test Kit for Paint, Toys, Dishes & Surfaces

Deep Blue E.coli Test Kit – Drinking Water Bacteria Test, Results in 15 Minutes

Deep Blue Coliform Bacteria Test Kit – Drinking Water Test, EPA-Compliant (48 Hour)

Deep Blue Lead Test Kit – Safety Test for Drinking Water (EPA Guideline Comparison)

Deep Blue Phosphate Test Strips – Algae Prevention Water Test for Pool & Spa (0-1000ppb)

Deep Blue Ammonia Test Strips – Water Test for Aquarium, Pond, Pool & Spa

Deep Blue Nitrite & Nitrate Test Strips – Water Quality Test for Pond & Aquarium

Deep Blue 7-in-1 Pond & Fish Tank Test Strips – Aquarium Water Quality Check

Deep Blue Drinking Water Test Strips – Tap, Well & Borehole Water Quality Test Kit, 16-in-1

Deep Blue Water Hardness Test Strips – Calcium Hardness Test for Pool, Spa & Aquarium (4 Colour Pad)

Deep Blue 7-in-1 Swimming Pool Test Strips – pH, Chlorine, Bromine & Alkalinity Water Check

Deep Blue Chlorine Dioxide Test Strips – Disinfectant Water Test for Pools & Spas (0-3000mg/L)

Deep Blue OPA Test Strips – Ortho-Phthalaldehyde Test for Disinfectant Strength (0-0.55%)

Deep Blue Glutaraldehyde Test Strips – Test Water Disinfectant Levels (0.5-3%)

Deep Blue pH Test Strips 0-14 – Water & Liquid pH Test, Universal Use

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