Ro water for water changes

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cgthebeast

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I`m going on a trip soon and my water is low in my 45 and I`m out of decloratoer(?). I do have an ro/di unit on hand and was wondering if this would work? The tank is fresh water
 
I`m going on a trip soon and my water is low in my 45 and I`m out of decloratoer(?). I do have an ro/di unit on hand and was wondering if this would work? The tank is fresh water

The only issue would be big jumps in ph, ie. if your tap is very hard, it's likely to have high ph, RO is devoid of minerals. I'd test both and see
 
No we use to be but were a water tower town and run on city water. It's pretty decent water, not a lot of chemicals
 
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