I get puddles of water inside my fridge

Remove the food and the ice maker from the freezer ( if equiped ) . Remove the rear freezer panel . Using a hair dryer , start in the middle , below the coils , defrosting , until you see the drain hole . Use hot water to help defrost the hole . Once water starts going thru the hole , use a small hose inserted into the hole , and blow thru , to remove any unseen debris in the drain line . Use an ALUMINUM solid wire , 14-16 guage , with the insulation completely off , and insert one end into the drain hole as far as possible without any force . Wrap the other end about 1 1/2 to 2 turns , around the black rod (defrost heater) , above the hole . When refrig goes into defrost , the heat will transfer from the heater , to the wire , keeping the hole from freezing up again .

Sound like a condensation problem. It can be that the frig is turned up too high. (temperture) or you are putting hot food in.