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Aquatrol ATS-51 Test Strips - 5 In 1 Water Quality Test Strips are professional grade 5 in 1 test strips designed for optimal, on-site testing and evaluation of your water quality. 5 Tests in One; Measurement Range: Free Chlorine (0-100 mg/L) Total Chlorine (0-100 mg/L) Total Hardness (as CaCO3, 0-25 gpg and 0-425 mg/L) Total Alkalinity (as CaCO3, 0-240 mg/L) pH (6.2 - 8.4)
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🇺🇸 Ship from USA · On Agora since 2025
$13.99