I follow the Mephisto Grow Guide 2017 edition to germinate.
1. Mist some toilet paper with tap water before placing seeds inside and storing in a DVD case that's been insulated (I use a scarf).
2. Find a warm spot to leave it, and check back in about a day for taproots.
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Mango Smile Observations
Two seeds popped within 18 hours.
11/06/2022 -- Planted all four seeds in solo cups.
11/08/2022 -- 3 seeds have popped at this point. I had to dig the last one out of the solo cup (we'll see if it makes it)