You could email me at master@lunarium.co.uk, but I have to warn you. I have a huge backlog of unanswered emails, and chances are you won't get a response in a timely manner. Just too much work, and writing an email is a relatively time-consuming undertaking.
A better way to get a response from either myself or another knowledgeable person is to post in the Pub Lunarium Telegram group.
Other communication channels that you might find useful and where I post messages or videos from time to time include:
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