Aquamaster pH 4.01 Calibration Solution - 100mL air filter 10g for a 10L tank)

10g for a 10L tank)

They can spread Pythium and other fungi from plant to plant

Place the test strip on a non-absorbent flat surface for 5 minutes

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Aquamaster pH 4.01 Calibration Solution - 100mL air filter 10g for a 10L tank)Aqua Master Tools pH 4. 01 Calibration Solution NIST Traceable The Aqua Master Tools pH 4. 01 Calibration Solution is a high accuracy buffer solution designed for calibrating pH meters and testers, ensuring reliable and precise readings every time. This solution is traceable to NIST standards, making it ideal for professional, laboratory, hydroponic, and horticultural applications. Specially formulated to work seamlessly with Aqua Master Tools pH