Yes, you can, a nectar is a watered down version of a 100% juice
Depends what for.
Why not, it also tastes good.
No!
Peach will do the trick, but if you are using it to put a glaze on ham, chicken, etc., then you can use apricot jam.
Yes, as long as you do not use pineapple juice. this prevents the gelatin from setting.
Clarified pineapple juice is a natural pineapple juice which gets filtered to remove the pulp. The taste and texture of clarified pineapple juice is more refined. Many brands prefer to have a clarified pineapple juice for canning purposes.
Finely strained tamarind pulp/juice. If you don't have that, Or a squirt of agave nectar, very small splash of beet juice and a splash lemon juice. You can make the beet juice by processing in your juice, blender, or food processor, then fine straining. If you don't have that go to the store and buy some POM!
Pineapple
Lemon Grass if you can find it... You can use real lemon, real lime or bottled lime juice and sometimes pineapple juice will work depending on what you are making. Marcy lime , pineapple and orane hice will all work as long as it is acidid
48oz
Is pectin used in unsweetened pineapple juice
5.6 quarts
yes
1 pineapple