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Test Kits - NIST Certified
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ELOS-TEST KH - Carbonate Hardness - FRESH – MARINE - 50-60 test
KH Alkalinity Test - Carbonate Hardness
Learn More£11.95 -
ELOS-TEST GH - General Hardness - FRESH ONLY - 50-60 test
- Precise, thanks to the calibrated droplet
- Simple to use
- Equipped with precision measuring vial and syringe
- Practical thanks to the easy-opening pack
- NIST validated
£11.95