10-25-2009, 01:46 AM
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Were it me,(and it ain't) I would begin with a 50/50 mix of distilled water and tapwater in a seprate rubbermaid tub. I would aerate the water in the tub and check the pH after twelve hours of aeration. Once the pH was in desired range,, I would use this water for water changes over a two or three week period for water changes. This would eventually make the display tank for the rams ,more to their liking. This will require that you always have a mixture of 50/50 distilled and tapwater mix on hand in the tub, and it should be heated before using for water changes. Rams will not do well with sudden changes in chemistry or temperatures. Do also be aware that not all fish appreciate the water that rams need.
If you are setting up a tank for rams only,then no worries. But if the water you are going to add is to a tank holding fish,, then you need to see that those fish will do well in the newly altered water.
I recommend distilled water only cause it's cheaper than R/O unit or R/O water but both will work. It is important to note as stated,, that you must keep the mixture for water changes consistent. Adding straight tapwater will no longer be a option for water changes.