Originally Posted by Tabris17
There are no leak free fittings.
Chances are it's your macroline. Make sure it's cut straight and not crooked and it's not crushed either. Also when you put it in make sure it 'clicks' into place at the bottom of the fitting then tug it to ensure the collar locks it.
If that doesn't work try a new piece of macroline. It may be too short or it's worn if you've used it before. Very rarely is the fitting itself the cause of the leak.
Ok thanks for the good info!!