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Use these basic, inexpensive litmus papers as an way to gauge the pH of a solution or soil sample. Litmus papers are only a general test and can not give you an exact pH reading like our other pH tests or pH meter. Test sample consists of 1 part soil with 1 part distilled water Includes a color chart to compare color of reading to 8 possible pH numbers ranging from 3 to 10
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🇺🇸 Ship from USA · On Agora since 2025
$22.99