Hi.
I have noticed that the roots of my mounted orchids (free hanging roots, no media) are getting more and more grey and no longer get real green when I water them.
I think it is calcium deposited because of too heavy (hard ?) water since my water boiler and my shower head have this problem too. And from that you understand that I am using tap water from my own well.
Is there any way to avoid it and maybe even clean the roots (and some leaves)? Putting vinegar or lemon juice in the water or...?
Reverse osmosis is not an option for the moment. I cannot afford it because of high medical costs.
Neither is rain water because here (Thailand) it stop raining in the beginning of December and it will stay dry until mid-March, some years even longer.
It is the dry season that causes the problem because I have to water my Vandas 2-3 times a day.
P.S. No, I have not tested the water. I don't even know if there is any lab here that can do it.
Roots and calcium
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