Is Planted Aquarium Water OK for Orchids?
I have a fully planted 100 gallon fresh water aquarium that I perform weekly water changes on. I maintain nitrate at 10 ppm, phosphate at 1 ppm and potassium at roughly 15 ppm. I also add trace elements and iron to the water as well. My question is whether or not the water from this tank can be used for watering my new (and first) orchid (phalaenopsis). I use the water for my other house plants and they do really well with it, but I'm not sure if it's appropriate to use on an orchid. Any input would be appreciated.
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