GO TO THE HARDWARE STORE AND GET A PIECE OF EGG CRATE. BOUT 10 BUCKS. THEN GET A PIECE OF 3/4 INCH CLEAR HOSE, SPLIT THE HOSE DOWN AND PUSH THE EGG CRATE THROUGH IT AFTER U CUT IT TO SIZE. THAT WILL SECURE IT IN PLACE. U CAN MAKE SEVERAL DIVIDERS WITH ONE SHEET OF EGG CRATE