Tap water parameters
Hello
I recently got a water quality report from the local company and am worried about some of its parameters:
Electrical conductivity 594 µS/cm (quite high, I guess)
Total hardness 17,9 °dH
Na+ 17,4 mg/l
Cl- 25,5 mg/l
And quite a lot of nitrate, but that's orchids' paradise.
These seem fine
pH 7,39
Ca 91 mg/l
Mg 23,1 mg/l
No added chlorine for disinfection.
Basically it's hard water. Taking in account the sodium and chloride, would this water work OK using it at half of the waterings? The plants are Cattleyas and Paphiopedilums. For example, this week I am watering with distilled/RO water and Rain-Mix (that has Ca and Mg), next week tap water with nothing added, usually they go in for a long shower, and so on.
Thank you
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