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- Path: sparky!uunet!cs.utexas.edu!torn!nott!cunews!revcan!cerianthus!cowan
- From: cowan@cerianthus.pinetree.org (Darin Cowan)
- Newsgroups: rec.aquaria
- Subject: Re: High nitrates [M][FILTRATION]
- Message-ID: <a0oawB6w165w@cerianthus.pinetree.org>
- Date: Thu, 24 Dec 92 16:35:09 GMT
- References: <1ha2jjINNnrl@hayaku.protocol.zycad.com>
- Organization: The Aquarium, Ottawa, Ontario
- Lines: 25
-
- dominick@protocol.zycad.com (Dom Paniscotti) writes:
-
- > |> First, change as much of the water as you can. Changing 20% only reduces
- > |> nitrate by 20%. Change 99% if you can.
- > |>
- > I hope you're kidding about the 99% change. I wouldn't go any further than
- > 50% (and that's if you're really in trouble). Changing 25% every other day
- > for about a week will drop your nitrates significantly given that the water
- > you're adding has 0 ppm nitates. Once you're nitrates drop, 10% changes
- > weekly should keep it down.
- >
- > I just didn't want any novices doing 99% water changes, and then wondering wh
- > all their fish/inverts were dead within a week do their biological filter
- > bed going south :-).
-
- I changed 90+% of the water in my established tank without a problem. I made
- the assumption that the person's high nitrates were in an established tank.
- I suppose that assumption may not have been valid.
-
- In any case that's what the dealer said, that's what I did, and it worked fine.
-
-
-
- Darin Cowan - cowan@cerianthus.pinetree.org
-
-