Orchid Leaves issue?

[Indo Orchid]

Hi Everyone:

I am just beginner in growing orchid , does anyone know what is my leaves problem? Thank you

[estación seca]

Welcome to the Orchid Board!

That is a Phalaenopsis orchid. It looks mostly good. There might be several causes. The brown spots look like old mechanical damage, like from scraping or crushing. The leaf might be yellowing because it is getting old and dying naturally. The far edge of the leaf has some silvery blotches which I can't see well. That might be mineral deposits from the water, or it might be spider mite damage.

What are your growing conditions? Temperatures day/night? Relative humidity? What kind of light is it getting? How often are you watering, and how do you water? Do you use fertilizer? If so, what are the numbers on the label, and how do you mix it?

[Indo Orchid]

That might be mineral deposits from the water, or it might be spider mite damage.
Answer: Yes i suspect mineral deposits i attached the photo.
What are your growing conditions? I actually repotted the entire Orchid in the pot with mixture of Charcoal and Coco husk
Temperatures day/night? relative stable around 26 to 32 degree celcius
Relative humidity?very humid since i live in Indonesia What kind of light is it getting?Indirect light from the window, as i put it inside the bathroom
How often are you watering, and how do you water?
I just water 5 days per week and i will soak it inside pot not touching the leaves just the roots and let the water drain from the pot
Do you use fertilizer? If so, what are the numbers on the label, and how do you mix it? i bought it from online they only mention these ingredients, i usually fertilize it after i water it.

[estación seca]

I think it's just an old leaf dying normally. If your humidity is high you probably don't need to water 5 times per week. Once to three times per week would probably be fine.

[Indo Orchid]

Thanks for the advice, how about fertilizing?

[estación seca]

How often to fertilize depends on the nutrients in the fertilizer. A small amount once a week is usually enough.

[Indo Orchid]

The yellow leaf already fell of from the stem, should i remove the brown side of the stem also? where previously the leaf was there? Thanks

[FranningtonBear]

I agree with previous comments, that looks very much like natural die-back to me, especially since the plant looks otherwise healthy.

Originally Posted by Indo Orchid

The yellow leaf already fell of from the stem, should i remove the brown side of the stem also? where previously the leaf was there? Thanks

No, as a general rule, Orchids don't need (or want) to be cut. There may be exceptions but in this case, don't remove.

[Indo Orchid]

By the way can i use lemon mix with water to wipe the dirty leaves? I mean the top part of the leaves not the bottom one? thanks

[Mountaineer370]

I grow mostly Phalaenopsis, so I have a lot of leaves that get dusty. And often, when I get a new plant, it has a whitish film and/or spots on the leaves that I'm assuming came from the greenhouse's watering/fertilizing system. I simply clean my Phal. leaves with a paper towel that I wet with plain water and wring out a little but. Then I gently wipe just the top surface of all the leaves.

Lemon juice is quite acidic, and I don't see any reason to use it on healthy plant leaves.

Also, there's no need to remove any more from the plant where that leaf fell off. I agree that that was most likely just an old leaf falling off naturally as the plant grows.