John, The tube I have is blue. I used it on my 3, 4 and 6 and it is the best sealer I have ever used. Bob On 11/27/2014 11:29 AM, john Mitchell wrote: > I need to order some Hylomar, but I notice now there are several > types available including "blue", type M, etc. Which would be closest > to old fashioned Hylomar. Thanks for any info. John Mitchell