220. take your temp up to 200deg C.
My trays hold about 250 9mm bullets. I use 7mls for this many and bake 1 tray at a time for 10 minutes.
green, red/copper/ gold. thay all work for 10 minutes. only the reds need 12 minutes.
Be aware that 2 trays at once may not get the alloy hot enough to cure the coating to to bullets.