Welcome to Helo Blod CLOSED – we’ll be back from 10am on 31 May. You can still send requests through your account and we’ll be in touch from Wednesday. Support and Translation – for free right now! Frequently Asked Questions Welsh Language Technology What is Helo Blod | YouTube Video (h9KeTd9OyRc) What is Helo Blod? Helo Blod is available online 24/7. We’re also available on the phone from 10.00am - 3.00pm every weekday. We welcome calls in Welsh. Currently, Helo Blod online is the fastest option.