Hardness
Chose between:
- Hardness Test Kit with 50 test strips, ideal for water softeners
- Eco-Check 5-in-1 Kit with 25 test strips, each testing the Total Hardness, pH, Total Alkalinity, Nitrate & Nitrite of your water
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Starting at: £12.99£11.99Save: 8% off
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Starting at: £3.99
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Starting at: £15.99
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Starting at: £15.99£14.99Save: 6% off
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Price: £44.99£39.99Save: 11% off
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Starting at: £59.99