I just located this well water analysis and would appreciate comments as
to its suitability for mixing with RO water for paphiopedilums.
Arsenic $ <2 ug/L acceptable is <=10
Calcium <0.5 mg/L
Iron $ <50 ug/L acceptable is <=300
Lead $ <2 ug/L acceptable is <=10
Magnesium <0.5...