who all uses a separate hose for each tank for water changes to eliminate spreading parasites and disease tank to tank. Just wondering if it’s really that necessary. I’m currently growing out some nice juvie discus doing 100 percent water changes a day but have to use the same hose I use in my other tanks. Will be getting a separate hose this week I think though if it’s worth it at least just for my discus tank. What’s everyone’s thoughts on this.