FAQs on Freshwater Aquarium
Gas Disease
Related Articles: A practical approach to
freshwater aquarium water chemistry by Neale Monks,
In praise of hard
water; How hard, alkaline water can be a blessing in disguise
by Neale Monks pH,
alkalinity, acidity, Treating
Tap Water, Freshwater
Maintenance, Frequent Partial Water
Changes, Establishing
Cycling, Freshwater
Filtration, Setting up a Freshwater
Aquarium, Tips for
Beginners, In praise of hard water; How hard, alkaline
water can be a blessing in disguise by Neale Monks,
The Soft Water
Aquarium: Risks and Benefits by Neale
Monks
Related FAQs: FW
H2O Quality 1, FW H2O Quality
2, Cloudy Water , Aquarium Maintenance, Treating Tap Water for Aquarium Use,
pH, Alkalinity, Acidity,
Water
Hardness, Nitrogen Cycling, Establishing Cycling 1, Ammonia, Nitrite,
Nitrate, Phosphates, Freshwater Algae Control, Algae Control, Foods, Feeding, Aquatic Nutrition, Disease,
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Re: Swim
bladder issues? 11/10/10
Happy to report the Danio was right side up permanently two days into
the seven day wet-frozen purely carnivorous diet, and has been happy
ever since. Thanks, Neale! (And I'm with you, I could never do 24
hour fasts once a week, ha.)
- Celeste
<Real good news! As good as flake foods are in general, their lack
of fibre can cause problems. That's why I like to offer some
wet-frozen or green foods to my fish at least a couple times per week,
even if they do well on flake foods. I generally avoid those
freeze-dried bloodworms and the like because they seem to cause
constipation in fish more often than anything else. Cheers,
Neale.>
Air bubbles in fish, Emphysematosis & Cycling
troubleshooting/fixing 2/8/10
Good day:
<And you>
I have an ongoing problem with supersaturated water- one of my goldfish
had recently presented with air bubbles in his eye which I discovered
was from my tap water.
<Not uncommon this time of year... the cold/er weather increases gas
solubility, the difference in temperature releases it. Hence a good
idea to... oh, I see you state this below>
I began leaving the water to sit in 5 gallon pails for 48 hours before
using it for tank changes. This seemed to be effective and the bubble
effused from the fishes eye over several days. This morning, however, I
noticed a large bubble just beside the nare of my smaller fish- I am so
frustrated!!! The water here where I am currently living (Vancouver) is
really very poor. It is heavily chlorinated and also, apparently,
supersaturated.
<I would store the new/change water a good week ahead of use
here>
I have had so much trouble getting my tank to cycle and I am afraid my
poor fish are taking the brunt of this inferior water. My tank is still
not cycled after almost 6 weeks (not a trace of nitrates showing yet)
so I am still doing daily 25% water changes to reduce ammonia build-up.
Hence the issue with the supersaturated water... Do you have any
suggestions for helping to reduce the oxygen levels to normal
amounts?
<Yes, enhanced aeration... a mechanical "bubbler" will
help de-gas the water>
It is rather an odd problem as most people have the opposite
problem.
Would a small pond pump immersed in the waiting pails of water help to
release the dissolved O2?
<Yes>
I am using Prime to condition the water and lock up the ammonia-
<I would not do this. This practice may well be responsible for your
forestalled establishment of nitrogen cycling>
I was told to treat the entire tank every day as the Prime only locks
up the ammonia for 24 hours. When I do a water change I do treat for
the entire 36 gallons. I was wondering if this could be affecting the
nitrogen cycle (it isn't supposed to, according to the manufacturer
but I do wonder).
<It is>
Thank you for your assistance!
Gina de Almeida
<Gina, is there someway to get/buy "The Real One" (aka
BioSpira) where you are? Or otherwise add some established media?
Please read here:
http://wetwebmedia.com/FWSubWebIndex/fwestcycling.htm
and the linked files above. Bob Fenner>
Re: Air bubbles in fish, & cycling f',
FW -- 02/08/10
Thank you Bob:
<Welcome Gina>
I have not found the Bio-Spira but did use a product called Tetra Safe
Start that is also supposed to one of the real ones. For some
incredible reason they don't sell live bacteria in Canada and I had
to have it smuggled across the border from the US.
<Mmmm. I don't like to encourage law-breaking, but I don't
agree with such brainless carte-blanche censorship either>
Everyone here uses the chemicals that you have to continually add to
the water, like Stability.
To complicate matters I have been treating for an intestinal parasite
and I think it may also be partially responsible for the delayed
cycling of my tank. I have more Safe Start on order, but the intestinal
problem is just not going away so I may wait until my fish is clear to
add it. In the mean time, I have purchased a really nice Eheim filter
and added a UV filter to the mix to try to kill off any free-floating
bugs that may be around. I know it isn't uncommon to lose a fish
but I only have two Dragon-eye fancies and they are quite endearing
little fellows so I will do all I can
to prevent a loss!
<Ahh! I feel similarly re my Ryukins>
I am on week three of Jungle anti-parasite medication and if that
doesn't work I have some 100% Metronidazole that I'll try.
<Only treat once with this material. Very potent, hard on fish's
kidneys>
It's really confusing as to what parasite might be affecting the
poor fish as there seems to be so many! He still has stringy, clear
feces even after the third cycle of meds. I'm concerned about
bringing in the "big guns" as
I don't want to harm the fish with unnecessary meds, either. It
really is a complicated matter- I can't believe that people
perceive fish to be an easy
pet!
<Some much more/less than others for sure>
On a happy note, I have started fish training and my small fish (who
has much better eyesight than my big bug-eyed fish) is responding quite
well.
<Neat!>
The larger fish just can't see the food reward up close and it ends
up floating away (much to the delight of the smaller fish).
Kind regards:
Gina de Almeida
<And you, BobF>
White bubbles in tank and sticking to fish... FW
dis. 12/17/08 Hello again. My 55 gallon f. water
tank has a fungus or bacteria I believe. I have 2 filters and they seem
to be making a lot lot off bubbles that swim freely in my tank. Just
last week I lost 2 fish. The bubbles are sticking to my fish's
tails & fins. I never ever remember having any bubbles swimming
around in my tank. I use carbon and ammonia reducer in my filters. Do
you think I'm over reacting. I went to my local fish store and they
think it may be a fungus or bacteria. My water tested fine. I removed
20 gallons and replaced and still the same bubble. Should u treat with
an all in 1 product? I saw an item by jungle lab lifeguard, or should I
try another type if filler for my filters? Thank again. Happy holidays
Sent from my iPhone <Bubbles in themselves aren't a problem, but
super-saturation of the water with atmospheric gases can cause
problems. Oxygen can bubble out of the blood and collect around (and
damage) sensitive organs such as the eye. So it's important to
regulate aeration of the water such that bubbles move the water from
bottom to top of the tank (the important part of the equation) and
don't collect in the water column generally (providing no tangible
benefits). Next, you need to understand how filtration works.
Ammonia-remover isn't magic, and in fact in most aquaria does
nothing useful. Unless you're replacing it every week or two, all
its doing is wasting space in the filter. Most aquarists will do better
without ammonia-remover, and instead focus on biological filtration.
Likewise carbon does nothing very special. All it can do is remove
dissolved organic chemicals. If you're doing weekly water changes
of 25-50%, then there won't be much organic matter in the water
anyway. Moreover, carbon needs to be replaced every couple of weeks,
just like zeolite, and if you're not doing that, all you're
doing is wasting space in your filter. If you're having persistent
problems with Fungus and Finrot, it's almost certain your water
quality isn't as good as you think it is. Other than decent
filtration, sensible stocking, and avoidance of overfeeding,
there's no secret to good water quality, and certainly no "all
in one" product that will fix the situation. For a 55 gallon tank
for example, you should have a robust filter offering a water turnover
of not less than 220 gallons per hour, and at least 330 gallons per
hour if you have big, messy fish (such as Clown Loaches or Plecs).
Hang-on-the-back filters for example are a bad choice for 55 gallon
tanks because they have the inlet and outlet close together; if you
have a tank as big as 55 gallons, you need to be using something like
an external canister filter or an undergravel filter with powerheads
(or air stones) at each end of the tank. Cheers, Neale.>
Re: problem with aquarium system, disease... emphysematosis,
induced... no reading 7/8/08 Hi, The system is run by a
1 hp pool pump. <... For this many gallons? Why? You want to
read/look into a better, non-high-pressurized pump... this one will
"drive you into the poor-house"... See WWM re Pump Selection:
Here: http://wetwebmedia.com/ca/volume_3/cav3i2/External
Pumps/External_Pumps.htm and the linked files at the bottom> There
is a lot of air/water mixing in the strainer chamber so i guess there
is pressurized water there. <... yes... this is along with the
improper pump, the cause of the trouble here> Is there a possibility
of having too much oxygen in the water which is causing "the
benz"? <As in Mercedes? Yes> i notice that when the fish
were removed they recovered quickly in a medical tank using MelaFix.
<... you're joking right? Ridiculous> the water renters the
tanks through 1" tubes emptying by the top and there are fine
bubbles in the return water into the tank. The bubbles on the fish
though are coming through their skin, not attaching to them. The pH is
8.0 (African cichlids) ammonia is 0, nitrite is 0. Thanks! Don <...
read here: http://wetwebmedia.com/PondSubWebIndex/PdBblDisease.htm and
the linked file related at top. BobF>
Re: problem with aquarium system, disease... emphysematosis,
induced... Thanks for all the help! I'm off to shop for a new
pump! Don <Ah, good! BobF>
Suds in the Aquarium --
4/15/08 My question is...what would cause your tank to be
full of bubbles on the top of the tank? All of the sudden when we
changed our filters the next day we got up and the whole top of
our tank was filled with suds ( they looked like someone had
poured dish soap in the water). Do you have any suggestions on
what we could do? We don't want to loose all of our fish.
Thank you <Plain bubbles in the water stuck to the glass,
rocks and other ornaments can be caused by a variety of things.
If the bubbles go away after a day or so, then don't worry
about them. Changes in water temperature can cause bubbles to
appear because of the differences in solubility of gases (warm
water holds less gas than cold water). When a filter is cleaned,
it often goes from having low turnover to much higher turnover
because the pump is having to work against less "gunk"
in the media. Result: more bubbles if there's splashing or a
venturi fitted to the outflow. Now, froth at the top of the water
is rather different. Froth is slimy or soapy to the touch, and
unlike bubbles, can indicate a problem. Typically, froth comes
from mixing air with organic materials. The mechanism is the same
as the protein skimmers used in marine aquaria. In any case, it
usually means there's too much organic matter in the water,
often food, but potentially stuff like dead algae as well. The
solution is to scale back food and to aggressively clean and/or
water change the aquarium. This should eliminate the foaming, and
from then onwards keeping the tank cleaner should keep the foam
away. Cheers, Neale.>
Re: Suds in the Aquarium
4/16/08 We did a water change and its seems like the suds at
the top are getting worse...what should I do next????
<Difficult to say without knowing what these suds are. A photo
would help. In any case, here's what I'd do: 1. Put water
from tank into a bucket. 2. Put fish in there; cover with a towel
or magazine to stop them jumping out. 3. Switch off and unplug
heater; when cool, put someplace safe. 4. Switch off filter.
Disassemble. 5. Put the biological media into a shallow basin of
some type, just covered with water from the aquarium so that the
bacteria stay happy. 6. Remove all the remaining water from the
aquarium and deep-clean the aquarium as far as possible. 7. Pay
close to attention to the substrate! Remove and rinse under a tap
(assuming this system doesn't have an undergravel filter). 8.
Wipe the glass, rinse off ornaments under the tap. Basically
clean EVERYTHING. 9. Put everything back together again,
remembering to add clean dechlorinated water. There's no need
to put "old" water back into the tank, assuming that
the water chemistry and temperature of the old water is much the
same as the new water that's gone in. Half-emptying the
bucket with the fish, and then topping up with "new"
water from the fish tank is a nice idea though, as it lets the
fish acclimate to any slight differences. With luck, doing this
should wash out whatever was making the mess in the first place.
Cheers, Neale.>
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