Ooh, those look severely dehydrated! Did you buy them recently and move them from tight balls of moss to this very dry bark? If so, that is probably the problem. The roots don't look too bad, but quite dehydrated. It is pretty cut and dried as to what are healthy and what are dead roots. Healthy ones are plump and firm. They are green when wet and a silver colour when dry. Mushy ones or totally dry and hollow ones that peel off and leave a string behind are all dead. Sometimes a healthy root can get a bit brown or dark coloured from bark or the top ones just from the elements. But they are still firm. If moving from the tight, often wet ball of moss that most Phals come potted in, it might help to have a mix of moss and bark to help the transition. The existing roots need to adapt. Also new bark is very dry and should be soaked overnight. You still need to water more often for a while until the bark begins to absorb moisture a bit better.
Last edited by silken; 06-02-2015 at 11:02 PM..
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