So I am about to install my trident and was curious if I can make this work. Was going to put my test line in the middle (Refugium area) since this is before my dosing lines. Figured if I put a piece of pvc then put the tester line in the Pvc this way it does not suck up any Chaeto. Would this work or will I get skewed readings ? The pvc is angled cut at bottom to allow water in. Was also going to drill holes so water does not get stagnant