im sure theres a few links on forum.if its any help,use cat litter type trays.i drill holes in the 4 corners then put welding rods threw,that was you can fit more trays in fridge.put couple of dozen worms in each tray,i put just enough water in to cover worms.KEEP a say plastic 6pint plastic milk carton of sea water in fridge so its same temperiter when you change water,every other day.common sence check daily remove dead ones.know doubt other member do very simular method.ps, give davey 1970 a pm,hes always giving welding rods away,



just joking davey.anyway thats my way of keeping them.imo aerator not really needed,unless your wanting to keep them for weeks.i gather where talking ordinary blow lug.anyway thats how i keep any lugworm.