Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   Using R/O water (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/using-r-o-water-16807/)

cavediver 08-04-2008 09:30 PM

Using R/O water
 
I have read that after using R/0 water for water changes, it needs to have certain minerals/buffering agents add back to the water. if so, what needs to be added back.

okiemavis 08-04-2008 09:34 PM

Well, it depends on what type of fish you have. Basically, you need something that raises the ph and increases your gh and kh.

cavediver 08-04-2008 09:53 PM

Actually, the reason for the R/O water change is that I was having low Ph problems using tap water. my tap water was testing so bad in all tests. I went to the my lfs and got 25 gal. of R/0 water. (I have a 55gal.) It lowered my trites @ 0, trates @ 0 (they we already low or 0) and amm. still a little high @ 1- and slightly raised my Ph. from 6.2 to 6.8. not rapidly it was over 2 days.

okiemavis 08-05-2008 07:11 PM

Hmm, well, proper r/o water is completely devoid of minerals, so it has no buffering capacity and the ph can rapidly drop. Also, obviously, the fish need these minerals, so I'd recommend getting a product that replaces these lost minerals and hardens the water.


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