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Re: NFC: Another Filter/Aquarium Question

yeah, I have seen a few 'reef/surf' attempts that were
something else, and many fish adapt quite well.

The inevitable power outage is why I have opted for
much lighter bioloads. 

Still those surf tanks are something to look at!
jake
--- Chris Hedemark <chris at yonderway_com> wrote:
> Hey Jake,
> 
> I had this 29 gallon tank that was a marine tank
> with nothing but different
> species of puffer fish.  The stocking density was
> through the roof, but the
> fish did well.  20% water change per week, and
> roughly 1,000GPH filtration
> running through that tank.  When I'd first put a new
> fish in there it would
> get knocked around a bit but after a very short
> period of adjustment the
> fishes would all swim around normally, hover, etc.
> as if the water were
> perfectly still.  To the casual observer there would
> be no evidence that the
> water was so highly agitated until I dropped some
> food in there.  Most foods
> were useless in such a tank because it would blast
> apart into a cloud and
> disappear.  So I would feed them large food items
> like whole mussels, in the
> shell.  Or shrimp.  Or big chunks of whitefish. 
> That tank did great for
> about a year and then an ice storm took the power
> down.  With about a dozen
> pufferfish in a 29 gallon tank it didn't take long
> for the worst to happen.
> 
> But the water was always crystal clear.  Not an easy
> task when you've got a
> tank full of messy puffers.
> 
> Chris Hedemark - Hillsborough, NC
> http://yonderway.com
> ----- Original Message -----
> From: "jake levi" <jlevi_us at yahoo_com>
> To: <nfc at actwin_com>
> Sent: Saturday, January 13, 2001 8:52 AM
> Subject: Re: NFC: Another Filter/Aquarium Question
> 
> 
> > No, at six times per hour your are doing a LOT of
> > oxygenation but not helping the biological
> processes
> > appreciably more. As I stated, a complete change
> six
> > times a day gets the water through enough times to
> > maintain a healthy biological population.
> Oxygenation
> > becomes a factor if, you have a high density of
> > biolife, and/or fish with a very high oxygenation
> > requirement.
> >
> > We are now into my masters thesis/project, and I
> can
> > bore everyone with pages of data, but for home
> > aquariums, unless you have a highly stocked tank,
> or
> > are keeping a pound of fish to a gallon then the
> very
> > high water turnovers are on the 'wrong' side of
> the
> > cost curve. If, we are talking about marine tanks
> and
> > you are trying to come up to the minimal reef
> > conditions then yes, blast it and let the good
> times
> > roll. My friend Tom Miller told me of a fellow who
> had
> > 275 Xs per hour turnover! More like a whirlpool
> then a
> > reef change! Dont try it at home without adult
> > supervision! I have no idea how he could even see
> into
> > the tank at the turbulence.
> >
> > If cost isnot a factor then go for it, but, for an
> > example, to achieve a stream effect you can do it
> well
> > with a couple powerheads with the sponge
> > filters.Myself I like them on ugf, and maybe a HOB
> or
> > two on a 75.Canisters add another safety factor.
> Hard
> > to overfiltrate. Thats the good thing.
> >
> > There is no one right way, its all variations per
> the
> > individual, and 99.999% of them work within simple
> > parameters. For average tanks that arenot heavily
> > stocked 6 times a day turnover works. For heavier
> > stocked tanks 1-2 times an hour is quite
> sufficient
> > but if you want more go for it. This is all about
> > enjoying what we do.
> >
> > I use Aquarium Systems powerheads, with or without
> the
> >
> > ugf's, and generally go with the larger capacity
> ones
> > so actually my water turnover is on the high side
> but,
> > mainly because I have had marine systems with
> corals.
> > jake
> >
> > --- Chris Hedemark <chris at yonderway_com> wrote:
> > > Jake,
> > >
> > > I think more accurate would be moving the water
> > > through six times per HOUR.
> > > :-)  Big filters are your friend.
> > >
> > > Chris Hedemark - Hillsborough, NC
> > > http://yonderway.com
> > > ----- Original Message -----
> > > From: "jake levi" <jlevi_us at yahoo_com>
> > > To: <nfc at actwin_com>
> > > Sent: Friday, January 12, 2001 10:45 AM
> > > Subject: Re: NFC: Another Filter/Aquarium
> Question
> > >
> > >
> > > > That depends on what size pump that you want
> to
> > > use,
> > > > and how much water that you want to move. You
> > > usually
> > > > want to move at least six times the volume of
> your
> > > > tank per day. As a minimum. Most try for 1-2
> > > changes
> > > > per hour and use a corresponding size pump.
> If,
> > > the
> > > > tubing is too small dia for the pump you will
> get
> > > > backpressure
> > > > which will wear the pump out much quicker then
> it
> > > > should.
> > > >
> > > > If you look at the outlets of the pump you are
> > > > considering you will readily tell what size
> tubing
> > > > that you should use for that pump. So, look at
> how
> > > > much water you want to turn over, find a pump
> that
> > > > will do it that you are happy with and see
> what
> > > its
> > > > inlet and outlet measurements are. Most pumps
> > > listed
> > > > in catalogs
> > > > have the measurements listed.
> > > > jake
> > > > --- Larry Needham <LBN at satx_rr.com> wrote:
> > > > > What size tubing to most of you with bigger
> > > tanks
> > > > > have going from the tank
> > > > > to the Wet / Dry filter?  How big is the
> opening
> > > for
> > > > > where the water
> > > > > escapes?
> > > > >
> > > > > Is an inch too small for 170 Gallon tank?
> > > > >
> > > > > Larry
> > > > >
> > > >
> > > >
> > > >
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> 


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