Missing the concrete Nov 1, 2016 3:03:12 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by buggs on Nov 1, 2016 3:03:12 GMT -5 Its only been a short time but i miss the mudd. Am working terrariums but wish i could work on concrete. Someone told me there is an additive you can use for cold weather. Has anyone used something like that??