It’s been about 3 days since I got it, sitting at high in the tank around where my maxima clam and scriptoria are but a little lower than that. Too high lighting? It gets a bit prickly at night but then becomes smooth at day.When should I move it down if I see it won’t open?
Its normal......but I would move it down, and then wait for it to acclimate, and then start moving it up in stages till its happy over several days and then you have your spot for it...........