This may sound like a daft question but to use the uv/heat bulbs combined do I need a https://www.dealcloud.co.uk/National/-1-for-a-lightning-adapter-in-a-choice-of-colours/225928?a=1&subscribed=yes&utm_source=emarsys&utm_medium=email&utm_term=&utm_content=dc-shopping+%28national%29&utm_campaign=dealcloud+national+27.08.13 uv/heat combined holder - or is it fine to use a heat holder?
Thanks