Reverse Osmosis Water Test Kit

Check your reverse osmosis system is delivering the ultra-pure water it promised. Test the feed and the output side by side — nitrate, fluoride, metals and minerals should all drop sharply.

• Results in 60 seconds
• Proven colour-match chemistry
• Free delivery on orders over £30
• UK-based support

Tests nitrate, fluoride, sulphate, sodium chloride, lead and hardness, plus 14 additional analytes on the same strip.