If it's finished fermenting the yeast should be inactive and no longer rising up to consume sugars, but I've seen yeast drift up after cold crashing a finished mead. Best to rack off the sediment to avoid anything rising up again.
If it's finished fermenting the yeast should be inactive and no longer rising up to consume sugars, but I've seen yeast drift up after cold crashing a finished mead. Best to rack off the sediment to avoid anything rising up again.