You are all paying through the nose for something that can be purchased in any hardwear store!
Tips for the day
Nothing will clean the tubes like a bucket of hot water and a healthy dose of sugar soap.
( if you want to save time wipe the tubes with Bostick thinners before moving on to the next tip)
You should make inquiries about a "special secret sealer " that can be obtained on the black market. JK knows about it along with most of the boys and girls from Northern Ireland.