Paphiopedilum Brown Spots and Darking of Leaves

[Ray]

Originally Posted by KristofferNgo

...do you think it's a good idea to use both Humic Acid and Fulvic Acid together with the fertilizer? Of course, I won't go overboard with them.

Yes, I think it's safe, because my experience tells me they do little to nothing.

They're supposed to enhance nutrient uptake, and that may be advantageous in fast-growing plants, but it seems to have very little benefit - if at all - for slow-growing plants like orchids.