Octopus 150 NW on the way. Will be here sometime next week. Filling water now for a large water change with my new filters on my RO/DI. Water now reads 2-3 TDS. It was reading 0 yesterday but I think there may be some salt residue still in the containers making it go slightly up. It should still be good. I am planning a 35 gallon water change. We will see how that goes. I am going to keep this thread going until the problem finally leaves.