Cut the potatoes into 2 cm cubes. Slice the onions. Dice the celery. Mince the garlic.
Over medium heat in covered 5-quart pot, simmer potatoes, onions, celery, cloves, garlic, salt, bay leaf, dried dill weed, and 1 cup water. When vegetables are tender (about 25 minutes), discard cloves.
Add mussels, fish, crab meat, half-and-half, wine, butter, and 1 cup water. Boil, then reduce heat to low. Cover. Simmer 5 to 10 minutes, until fish flakes easily and the mussels are open.
Remove the mussel shells from the chowder.
Serve hot with bread.