Fresh Cucumber Slices

7 c. thinly sliced cucumber
1 large onion, thinly sliced and separated into rings
1 1/2 c. water
1 1/2 c. vinegar
1 1/2 c. sugar
3/4 t. celery seeds
1/2 t. garlic salt
1/2 t. onion salt
1/2 t. celery salt

Layer sliced cucumber and onion in a large bowl. Combine remaining ingredients and blend thoroughly. Pour marinade over cucumber. Cover and chill at least two hours. Use slotted spoon to serve.

Serves 12.