I was just wondering if any of you have tried these and what your thoughts are on them. I'm looking for a way to keep my long term brews from pulling in sanitizer every time they see a small temp fluctuation.
http://www.rebelbrewer.com/shoppingcart/products/Silicone-Waterless-Airlock.html
http://www.rebelbrewer.com/shoppingcart/products/Silicone-Waterless-Airlock.html