...tank, glue or plastic welding? I have been researching what the best method is to fix a crack in a HDPE tank.

Some sources say it can not be glued and that plastic welding is the only answer, I have found several products that claim to work for polyethylene. I wanted to know if anyone has used any of these products with HDPE or PE with any success.

Products that claim to work:

Plastex 3000
Loctite Plastic Epoxies

Innterduct HDPE Glue

If anyone can tell me if they have used any of these or suggest another product that does work for HDPE that would be great.