My trip to the garden center

interesting, some people seemed to be contesting the author’s data sources. Indoor soilless mix is different from real outdoor soil, isn’t it really an imitation of actual living soil? Most soilless mix is just peat and perlite.

Companies like Pro-Mix and Sungro (Sunshine mixes) add dolomite to the peat mix to balance the acidic pH of peat. They add gypsum as well. So you shouldn’t have to add much dolomite lime unless other amendments are acidic.

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