I've farmed an unreasonable amount of kuva and am generally decent at it, but I usually avoid siphons on Eris because of poor placement and poor visibility.  On most other tiles the kuva appears 50m away or more, but in some of the cramped infested hallways it spawns 20m away or less, which doesn't give you much time to find it. These hallways are also dark and filled with red particles, which makes it difficult to even see the kuva cloud. This kuva cloud was barely visible: