Thank you everyone for your responses. I took each plant out of its peat moss mix and put it into a mix of 60/40 soil/perlite with a 300 ppm nutrient solution and plenty of water every few days, allowing the substrate to dry out significantly between waterings. The peat moss was a bad idea...
A few weeks ago I had some serious problems with a pythium infection in DWC...
I ended up pulling my plants. I chopped off all of the roots and I chopped them up into several pieces and treated them like cloned cuttings, most of which survived. The ones that didn't were simply cut in places...