So, I have not been using the Reverse Osmosis system for about 3 months, I left some water inside the tubes, before I used it again I had already flashed it for few mins. I noticed that after using the water from the RO system, all my fish got white spot/parasites? Should I take it out and wash it or it maybe something wrong with the tank?
I m thinking about doing a water change tonight, should I use the RO water or just tap water just in case?
I m thinking about doing a water change tonight, should I use the RO water or just tap water just in case?



