“What is the soil pH of Black Gold Natural and Organic Potting Soil?” Question from Michael of Pueblo, Colorado.
Answer: At production, the peat moss in our mixes has a pH range of 3.5-5.0, but we add liming agents to bring all of our potting mixes up to a more neutral pH range of 5.5-6.5. Keep in mind, mix pH will change depending on your growing environment, irrigation water, the fertilizer you use, and the plant species you grow. For a highly detailed article on managing mix pH, read the Sun Gro article titled Managing Low pH in Growing Media for Reliable Crop Performance.
Black Gold Horticulturist
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