hello, I hope i am posting this in the correct area… but i purchased two axolotls today from a reptile show near my house. i have a 30 gallon tank set up with a very soft filter going and a few little hide away logs. the temp is about 68 degrees right now.. i had frozen bloodworms for them (that is what was recommended) but upon doing research i see that earth worms are best. can i purchase those from a bait shop? do they need to be chopped up at all? also, i have a cap on my tank but it is not completely sealed there are gaps by the filter and such. should i screen that off? any other information for a beginner is greatly appreciated!