> Ian MacKenzie wrote:
> -------------------------------------------------------
> Soapy water. I’ve tested for air leaks before in tires. I sprayed soapy
> water on the welded/soldered area and then put a air hose to it. And
> also built some pressure in it by blocking off both ends and have air
> blown and held in it
cool. make sure to give it a solid bath in solvent and test it again before putting it on. i had sealed my gas tank with solder, and it held fine with water and a bit of pressure, but as soon as i put gas in it, it started leaking again as the gas had dissolved the residual flux left over from the soldering process.