you like eating your soba noodles cool than you'll love this Soba Noodle Soup base (no dilution necessary). However, if you want hot soba, go ahead and dilute by adding 2 parts of hot water to 1 part soba tsuyu.
Soba tsuyu Marukin
water, soy sauce (water, soybean, salt, and wheat), high fructose corn syrup, dried bonito, monosodium glutamate, salt, kelp extract, corn syrup, dried bonito, rice fermented seasoning, vinegar, yeast extract, disodium insoniate, disodium ribonucleotides. Contains wheat, soybean, and fish.