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- Newsgroups: rec.aquaria
- Path: sparky!uunet!gumby!news.cs.andrews.edu!zds-oem!henry
- From: henry@zds-oem.zds.com (Tim Henry)
- Subject: Re: (M) How often to change water?
- Organization: Zenith Data Systems, OEM Systems Engineering
- Date: Wed, 27 Jan 1993 20:01:55 GMT
- Message-ID: <1993Jan27.200155.2032@zds-oem.zds.com>
- References: <1993Jan26.204520.16032@sfu.ca> <1k6aejINNks@tamsun.tamu.edu>
- Lines: 47
-
- In article <1k6aejINNks@tamsun.tamu.edu> bryan@kolsky.tamu.edu (Bryan Milligan) writes:
- >In article <1993Jan26.204520.16032@sfu.ca> windels@lemon.csil.sfu.ca
- >(Karla Jane Windels) writes:
- >> How often should water in a marine aquarium be changed and what
- >amount each
- >> time?
- >>
- >> We have recently converted one tank over to salt water and were told
- >> by the fish store who sold us the new supplies that the water did not
- >> need to be changed as often as with fresh. They recommended: once
- >after
- >> the first month, then once a year after that. But I've also heard
- >other
- >> answers.
- >
- >It has been about six months since I changed the water in any of
- >them. Everything is doing fine. I haven't added anything other
- >than RO water to the reef tank in several months as well.
- >--
-
- I maintained a 29g., a 55g., a 90g. and a 180g. saltwater tanks for
- about five years before I moved 600 mi. to a different job. The 180g.
- tank was primarily a community tank, the 90g. was a combination reef
- and reef fish and the 29g. was only a reef tank. After the 180 was
- established (all enviromental parameters in check) I ran an under-
- gravel filter and one Magnum 350. Using Instant Ocean I only added
- water when needed in the five years. Having included calurpa and
- nurtured calurpa in the tank kept the nitrates in check enough for
- the fish however the nitrate concentration would have probably been toon too
- high to expect to keep inverts in it. The 29 and 90g. tanks I monitore
- the nitrate levels and changed the water when the nitrates went too
- high (I don't remember what that level is off hand). I would guess
- that I a quarter tank change about once a year in the 29 and 90.
- Since I moved I only setup the 180 and a 29 and they both ran about 5
- years again only adding water and trace elements in the 180 and
- monitoring the nitrates in the 29. Recently after a hot summer with
- no airconditioning eliminated most of the rest of my fish I broke the
- 180 down, mainly due to the expensive and limited availability of
- marine fish in this area, converted to freshwater.
- So I guess in my long winded way I am saying that in my unschooled
- experience I found that in my marine fish tanks that water replacement
- due to evaporation was sufficient while testing the water once a month
- and adding trace elements per the schedule on the bottle and changing
- the water in the invert. tanks when needed, about once a year, while
- testing the water once a month.
-
-
-