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Re: Aquatic Plants Digest V2 #806

>I will only have one tank, and my budget will need to stay small, so
>I don't think that an RO system will work for me. 

You may want to freeze water (not completely, live some water in the
bottom, and then use the molt ice - itíll be very soft. Still I believe an
RO unit will be cheaper in the long run. 

>By how much can it change the pH and hardness?
- Vahe