I concur with Silken, but take my advice with a grain of salt, as I JUST acquired a phrag, like, a month ago. But hear me out.
I bought it at an orchid show. The guy who had grown it instructed me to place it in some water so it was always moist, because it grows by streams in the wild and always has water running over its roots. He had it potted in coconut husk, some Leca pellets, and a couple other things that I can't exactly remember now.
By the time I got it home (in the heat and car, etc.), it was looking pretty sad, and got sadder, with some yellowing leaves and browning tips. I repotted it into pure coconut husk because that was all I had at the time. It didn't have a huge amount of roots, and there were a lot rotting.
When I repotted it, it was sort of leaning over, and I started to really dislike looking at it. I worried that the coconut husk combined with the standing water was suffocating it, and eventually I bit the bullet and repotted it, partly to add something to the mix to give it more air, and partly because I desperately wanted to make it stand up straighter in the pot.
I expected it to not be doing very well, but when I unpotted it I was pleasantly surprised. There were seven or eight new white roots that were several inches long (they had grown in maybe a few weeks), PLUS several tiny new growths starting. Kicking myself for unpotting it in the first place, I added some perlite, bark chips, and sphagnum to the mix and made sure it was straight.
Now it's in a very bright window, getting mostly bright shade, and I keep it standing in the water because it definitely likes that. I plan to water it from the top once a week with very weak fertilizer (also something the guy suggested).
So, for what it's worth, these plants need a TON of moisture. What I thought was surely going to be a damp, dank, failure turned out to be a very good breeding ground for new roots and growths. And the leaves are looking greener and holding themselves up more firmly now.
Good luck!
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