Yellow spots

[SouthPark]

Originally Posted by Kollba

used hydrogen peroxide to disinfect the roots

Kollba ------ a heap of us here on the forum recommend to not use hydrogen peroxide on roots ----- as that substance can either cause a long-time growth setback for the orchid, or it can even kill the root hairs (and roots).

Somebody started this hydrogen peroxide band-wagon sometime in the past. We don't know who it was that started it. But it has led orchid growers down the 'wrong' path in my opinion. Taken them for a 'ride'. We definitely need people to get off and away from that bandwagon.