RooRman;667889 said:
How To Use Progressive Web App aka PWA On 420 Magazine Forum
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RooRman;667889 said:You can play with the amounts, which is the nice thing about making your own mix. This should get you started:
10-20% Perlite: for added drainage and soil aeration. Use closer to 20% for flowering mixes.
10-30% Worm Castings: for nitrogen, added micronutrients and aeration.
1-2% Dolomite lime: Pro-Mix BX Seed and Clone has this already added! So I don't add it. Basic Pro-Mix, to my knowledge, does not. Dolomite lime helps stabilize the pH of the soil. Pro-Mix is mainly peat and as the peat breaks down the soil gets more acidic. Dolomite lime is used to combat this natural lowering of the pH.
2-4% Kelp meal and/or Guano: For additional macro/micornutrients.