Thoroughly blend sugar, milk solids, salt, spices, and SeaGel GP713. Slowly disperse the above ingredients into the water and eggs in a slurry tank with constant agitation. Heat the strained pumpkin puree to 72 C (160 F) in a scraped surface kettle. Pump the water/egg slurry into the kettle containing the pumpkin puree and slowly heat, under constant agitation to 84 C (180 F). Hold at 84 C (180 F) for 5 min. Fill pie shells and bake at 450 F for 10 min, then 350 F for 50 min. Alternatively, the pie filling may be canned and retorted.