You can buy it in dried or liquid forms from garden centres and only apply it in very small quantities. Some seaweed products have added fertiliser. Most people add a little liquid seaweed extract ...

Unless gathered absolutely fresh, seaweed tends to be sold dried. It is available fresh from May to June. Carrageen, or Irish moss, is used as a vegetarian gelling agent in some processed foods.

While Japanese breakfast may not be a type of tea like full English and full Irish ... Brand's dried instant miso soup packets, which come with accompaniment packets of dried seaweed flakes ...