Spraying JMS+JWA as well as JNP is unlikely to do any harm to hydroponically grown plants. So at least JADAM methods can be used to prevent and control pests and diseases.
In cocopeat media, it is also possible to feed JMS once a week, but it should be diluted 100 times or more.
If you want to drench crops grown in cocopeat media with JMS, first test it for a few months in a small area of your garden.