Posted: 29/10/2014 at 10:36
I bubble wrapped one of mine about 3 years ago, you do need the spacers as shown on Beechgrove last weekend, then leave your window open a notch.
I bought a big roll of wrap from Ebay, I think it comes undr the heading, Packaging, then bought the clips, you need 3 different types but they are not expensive. It will save your electric a bit if you chose a heater, I have never had one.
You could just get a small plastic type greenhouse and put it inside youf glass one, just for real tenders, but leave the zips open during the day.