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Batch validated by NIST* for the most accurate KH readout! Real Color Technology with calibrated color chart for accuracy Calibrated Droppers - Every drop is exactly the same size! Safe Non-toxic Lab Quality Reagents Easy to Use 50+ tests per kit Maximum acceptable NO2 levels: 0.02 mg/l (0.00mg/l is optimal) Made In Italy
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🇺🇸 Ship from USA · On Agora since 2025
$20.99