I have switched to the single tray method of processing kallitypes.
I dump the developer back into its beaker and pour a very small quantity, 25 ml for a 5x7, acidified water onto the print. The tray is rocked to cause the water to move over the print several times. It becomes slightly discolored indicating that clearing has begun. The rinse is dumped and the first clearing bath is then poured in, etc.
Using this method my clearing baths last longer and since the acidified water is fresh each time I do not have to worry about it becomnig exhausted.
I think I came up with this after reading Sandy's info on using a single tray.