Wynn Dee has given you excellent advice. I know it's 105+ outside where you live right now and keeping this phal hydrated as you seem to have done successfully will be a chore but not difficult if you understand the needs of your plant. If you are running air conditioning then the humidity will be around 20-30 percent and your plant needs a bit more. Here is a caveat to Wynn Dee's potting mix. Get some spagnum moss and cut it up into short 1 inch pieces. For every handful of potting mix you use, add a handful of moss to it. Not a heaping handful but a slightly closed handful. The reason being that it will keep the media hydrated but not wet. But when you pot with a lot of moss in the mix, you must flush out the salts at least once a month as the moss will tend to accumulate salts in it's structure. Get a pot with lots of holes. I take regular clay pots and make the hole in the bottom about 3 times larger than normal. I put a 1/4 inch screen (hook rug knitting screen works well from a cloth store) and don't put any foam peanuts in it. I would also get a clay pot that is slightly larger than normal for this orchid because you will need the extra moisture in the pot to help cool it. With this slightly courser media and moss in it you can water a little more often. Kabob skewers work ok for gauging the moisture in the media but I prefer to judge this by the weight of the pot. And here is how you do it. Repot the phal and when finished, lift it up and feel how heavy it is. Now run water through the pot for a few minutes and thenwhen you feel it is thoroughly watered, lift the pot again and feel how heavy it is. When it begins to feel light, water it again. I know your water in the Phenix area has about 500+ ppm tds in it so I would buy the drinking water you get in the machines in front of the supermarkets and fill a pan with some and set the plant in it for a few minutes when you water. This will saturate the media and keep it damp longer. From what I see in the picture, you have done well with this phal. Let's all try to help you keep it growing this well.
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