I'm setting up a dosing pump (Neptune DOS) and was wondering if I should use Polyethylene tubing (I have a ton left over from my RO/DI setups) or the neptune airline tubing. I have probably 10 feet of polyethylene (both translucent and opaque), and a handful of elbow connectors. I'm not a huge fan of dangling limp airline tubing everywhere, especially since the DOS needs that special Neptune sized airline. I did order it already, but the kinks in it are troubling. I'm leaning towards the RO tubing, but wanted to see if that wouldn't be a good choice for some reason?