Welcome and congrats on your first night above ground and in comfort... I'm sure, as you state, that the condensation did not effect your comfort that night...It will effect you over time...Either in longer dry out times in the morning, heavier carry weights and or (worst issue) reduced insulation effectiveness due to moisture build up.
Removing the mylar and raising the tarp to get some ventilation will go a long way toward a solution.
Ounces to Grams.
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