A steam line connection to the wax-emulsion line may be installed for easy steam cleaning of the line. The outlet end of the first conveyor is a few inches above the inlet end of the second one so that fruit will flip over as it moves onto the second conveyor. Stamping for color-add, grade, brand or other reasons commonly is applied through inked rollers. All grapefruit transported, marketed or sold in Texas must be stamped with state or country of origin. The use of pressure-sensitive adhesive labels is increasing, although they are more expensive than ink stamping.
Several fungicides are effective in preventing post-harvest decay.
Materials and rates are covered in the Extension publication Texas Citrus Disease Management Guidelines . The effectiveness of chlorine is dependent upon water pH, time of exposure and the amount of free chlorine present. SOPP affixes to minor surface lesions in the peel, but it too requires water pH control. The selection of fungicides is such that the packinghouse operator can choose those that are most economical in a particular packingline operation. Sizing Citrus are sorted into size categories for uniformity, eye appeal and ease of packing.