grub event

haiiii everyone so my male L3 megasoma elephas and male L3 dynastes hercules just got moved to larger new containers except my hercules's substrate wasnt aerated properly so i had to put him in some new substrate except the only aerated stuff i have is in the megasoma's container bc rn i only have 2 grubs so im keeping my hercules in the same large container as the elephas just until his substrate is clean is this fine or will they eat each other or will competition drive them apart or something