I bottle condition as I normally would but at a colder temperature. My procedure is to cold crash a couple days, dry hop at crash temps and then bottle, also at a colder temperature. Not crash temp but a bit higher. I prime each bottle by syringe. Fill and cap. Normal from there on. Carbonate at...
The method you are stating has no yeast so therefore no nutrient.
sorry. I guess you mean adding yeast to bottle condition. In that case the answer might be yes. But I have always done the traditional method of making seltzer so do as you see fit.