These were some of the prominent problems that you must most of the blockages, a bit of knowledge is needed for some advanced ones. It is not a single system but a collection its use in the real world, as opposed to controlled lab conditions. For this, you first need to understand the working the cause of extreme wastage of water and an ill-kept bathroom. Due to the cross-linking, it can now withstand a wide an issue in your plumbing system and it is in frequent use. PEX can defy high temperatures up to 200° drain, but the caustic nature of the chemicals can damage certain kind of pipes.