$9.99
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Extremely easy to use, simply dip and compare with a large waterproof color chart located right on the bottle. The color chart indicates safe, ideal and high readings. Tests for 6 parameters: NO3 Nitrate, NO2 Nitrite, Cl2 Chlorine, GH Total Hardness, KH Carbonate, pH
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$9.99