Hello everyone...I have used the 2" soil blocks with great success...making them is easy and I get great germination rates using soil blocks and a grow mat. I cover my seeds with either a dark colored garbage bag or an aluminum foil pan with a clear plastic cover(roasting pan) and watch for first signs of germination. If using garbage bag I uncover them when I see first signs of seedlings...if using roasting pan with clear plastic cover I remove cover as necessary to move seedlings by hand or by a small fan. This method gives me high germination rates. I also purchased the English 2" soil blockers...I have micro 20 and 4" but have found that I use the 2" for the most part. I choose to leave my seedlings in the 2" soil blocks until the first two sets of true leaves form...about 3-4" seedling...I then transplant to solo plastic cups. I use the commercial seedling mix made by the company that has miracle fertilizer.
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