This ready to go into substrate?

How much longer should I wait approximately if not? I see that one grain toward the top, wait until any stragglers get fuzzy?

First time, looking to at least try and not screw it up. TYIA

How much longer should I wait approximately if not? I see that one grain toward the top, wait until any stragglers get fuzzy?

First time, looking to at least try and not screw it up. TYIA