I was given a hydro system and would like to try my hand at it using clay pebbles as my medium. I have grown in dirt for personal use over the years, but never hydro. The question I have is concerning germinating seeds. Do I use what I have been doing (e.g. paper towel), start them in a small pot with coco, or soil, or peat moss, then remove the seedling, wash and put it into the clay pebbles? To me that seems like it would damage the young plant. Do I start it in rock wool, then place the rook wool seedling into the hydro clay pebble pot, rock wool and all? I’d prefer not to use a medium that could transmit bugs into the hydro system, any advice would be much appreciate. I’ve searched the internet, and our hydro shop doesn’t appear to have any ideas.