Hello everyone.
I have (another) problem with my orchids
tl;dr roots are rotting and molding, need help
I recently got two new orchids and I needed to repot them because they had some bugs in them. Good news is that the bugs are gone. Bad news is that the roots on both of the orchids are molding. One of my orchid's roots are VERY bad. In less than two weeks, the ENTIRE root system rotted on orchid #1 and it only had 2 roots left. Orchid #2 still had plenty of roots left, but a lot of the roots had died. Both of the orchids had mold/fungus on them, even though I was watering the same amount as before and the potting mix was big and chunky and the roots had more air. I freaked out and poured hydrogen peroxide and 3 in 1 fungicide on the roots and repotted in a different potting mix. I have made sure to keep the roots moist while letting them dry out regularly, but guess what? mold/fungus has grown on the bottom of the stem and roots of orchid #1. I have already lost one leaf and am about to loose another leaf. The two roots that I have left on orchid #1 are rotting as well! Some of the roots on orchid #2 were rotting and had mold. After I saw the mold/fungus I have not watered the roots even though they are silvery because I fear that the mold/fungus will return! Both of the orchids were practically planted in DIRT when I got them and now that they are in a proper potting mix the roots are rotting and molding???What do I do??? Please help!!! I don't understand!
Notes:
First the orchids were in dirt(when they had bugs), then I moved them to bark chips(roots started molding), and then I moved them to LECA beads(roots are still molding). I am not doing semi hydro though. I moved them to LECA because I hear that it doesn't attract as many pests/mold/fungus and doesn't break down as fast as wood.
Any help is appreciated. Thank you!
I have attached pictures of orchid #1
HELP- Mold/Fungus taking over orchids
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