Water for orchids...
I don't recommend the practice of using tap water. There can be too many dissolved minerals in there and prolonged use of tap water has the ability to cause problems like leaf tip burn and root tip burn, due to excessive mineral build up on the plant and the growing media. Mineral deposits on the leaves can be unsightly and can restrict the amount of light the orchids receive.
Instead, better sources of water are rainwater, distilled water, or RO/DI water.
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