Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

Seahorse Club
Aquarium & Livestock

Feed Ezy Frozen Mysis

what if my electricity goes out

  • This topic has 1 reply, 2 voices, and was last updated 15 years ago by Pete Giwojna.
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  • #1618
    hobby
    Member

    how long do i have before i have to start a generator

    #4667
    Pete Giwojna
    Guest

    Dear hobby:

    The primary problem for the aquarist when there is a power failure is a massive die off or tank crash due to a drop in the dissolved oxygen levels and a corresponding rise in carbon dioxide. How quickly this becomes problematic depends on the size of the aquarium and the number of fish and invertebrates it houses. The smaller the tank and the greater the number of specimens it contains, the quicker they will deplete the available oxygen and begin to die off, so with small heavily stocked tanks it’s very important to restore power as soon as possible. A larger tank with just a few specimens will have a larger margin of error before the dissolved oxygen is exhausted. But whenever there is a power outage, you should strive to provide the tank with oxygen one way or another as quickly as possible to save your biofilter and prevent losses due to asphyxiation.

    Summertime heat waves and power outages happen all too often and when they happen to coincide it’s always bad news for seahorses. The loss of power shuts off your filters and airstones and protein skimmers no longer generate a bubble stream, and the resulting lack of circulation and surface agitation rapidly causes a drop in dissolved oxygen levels and a rise in carbon dioxide levels due to the respiration of the seahorses and their tankmates.

    At the same time, the loss of air conditioning and elevated water temperatures that result increase the metabolism of your seahorses, and therefore their consumption of oxygen, at the very time that the rise in temperature is further reducing the amount of dissolved oxygen the water can hold. This creates a doubly dangerous situation for seahorses and results in rapid, labored breathing, hypoxia, and eventually death by asphyxia or suffocation.

    Seahorses are more vulnerable to low O2/high CO2 levels than most fishes because of their primitive gills. Unlike most teleost (bony) fishes, which have their gills arranged in sheaves like the pages of a book, seahorses have rudimentary gill arches with small powder-puff type gill filaments. Seahorses are said to have "tufted" gills because they appear to be hemispherical clumps of tissue on stems. Their unique, lobed gill filaments (lophobranchs) are arranged in grape-like clusters and have fewer lamellae than other teleost fishes. Because of the difference in the structure and efficiency of their gills, seahorses are thus especially vulnerable to low oxygen levels and asphyxia.

    Power failures are a common problem for aquarists who happen to live in hurricane country or tornado alley, and of course, brownouts are pretty common during summertime heat waves when everybody’s trying to run their air conditioners at the same time. Freezing rain and ice during the wintertime can be just as troublesome when ice storms bring down tree limbs and power lines and knocked out the electricity. In a pinch, you can make an effort to manually aerate and oxygenate the tankby scooping pitchers of water and pouring them back into the aquarium from a height of 6 inches or more, but you are really fighting a losing battle that way and it will positively wear you out if the power is out for any length of time.

    Another option you can consider in such an emergency is to add hydrogen peroxide (H202) to the aquarium to increased the levels of dissolved oxygen rapidly. A 3% hydrogen peroxide solution is useful during the hypoxic emergencies that may occur in an aquarium during a power outage, or when the primary filter fails overnight, as explained below:

    <open quote>
    Dosing tank with hydrogen peroxide to boost oxygen levels

    There is also another trick you can consider for raising the dissolved oxygen level in your aquarium quickly by adding a small amount of ordinary hydrogen peroxide (H202) at the right concentration to your aquarium. Hydrogen peroxide can be use as a treatment of acute oxygen insufficiency at a dose of 0.25 ml of a 3% H2O2 solution per litre of water, which is equivalent to adding 1 ml of a 3% hydrogen peroxide solution per gallon of water.

    Remember to allow for the amount of water that is displaced by the aquarium substrate and decorations when calculating how many milliliters of a 3% hydrogen peroxide solution to add to your aquarium. Be careful not to exceed the recommended dosage since adding too much of the hydrogen peroxide can be harmful. This is a one time emergency procedure for use in a crisis situation — do not add any additional hydrogen peroxide to the aquarium after the first dose.

    Contrary to popular belief, in water with relatively low organic content, the concentration of Hydrogen peroxide does not decrease significantly. Of course, any increase in organic loading will change this factor, but the bottom line is that Hydrogen peroxide does not break down as quickly as some may think. Water changes are required after treatment.
    <Close quote>

    Aside from such stopgap measures, better solutions are available if you prepare in advance for the next brownout or prolonged power outage, as discussed below.

    To begin with the obvious, if you live in an area that’s prone to power outages, investing in a backup generator is something you may want to consider. But there are also a number of other less costly measures that can help the aquarist and his fishes make it through a power outage without suffering devastating losses. For example, here are some excellent tips from Dan at the org regarding how hobbyists can cope with power outages:

    "Some possible options besides a generator are:

    Battery operated pumps. Some of the bait pumps that use 2 D cells can
    run for up to 4 to 5 days and can drive 2 to 3 airstones. Besides
    aerating the tank, it also helps to aerate the biological filter if
    possible.

    Computer Uninterrupted Power Supply (UPS). They can be real handy. If placed inline with your equipment it can seemlessly keep stuff running for short durations or
    drive air pumps for quite a while.

    Deep cycle marine batteries with an inverter. During the hurricanes,
    we pulled the batteries and the inverter off the boat and ran quite a
    bit of equipment off these for 24 hours.

    For short term unexpected outages, battery operated pumps and/or
    computer UPS are probably the most economical answer. For long term
    outages, such as a hurricane, a generator will pay for itself the first
    time it is used.

    Another consideration for long term outages, is to have plenty of water
    available. Often long term outages lead to water availability issues."

    Dan

    The decrease in dissolved oxygen levels is not the only threat to your aquarium when there is a power failure. You must also be aware of filters and equipment that doesn’t automatically restart once the power comes back on, and if you have a sump or refugium connected to the main tank, water siphoning our the main tank can also be a huge headache, as Al explained in this previous post:

    <Open quote>

    I have so many power outtages here and often of such long duration that I
    feel like I`m living in a third world country so I`m way too familiar with the quandary, "WHERE
    DID ALL THIS WATER C0ME FR0M?" in the aftermath of a power failure.

    If you use a tank/refugium combination that are on different levels, water
    siphoning down out of your main tank through air hoses or the water pump return
    hose will be a problem. They do sell air check valves that prevent this from
    happening with air hoses, or you can make a loop in the air line that remains
    positioned AB0VE the main tank`s water line which will prevent a gravity fed
    back-flow through the airline.

    Water siphoning back into the refugium from the main tank through the water
    pump or other inlet/outlets can be avoided by:

    a) placing the return hose outlet to the main tank AB0VE the water line.
    This will cause a break in the water column should the pump fail and it also
    creates greater surface turbulence during normal operation

    b) place the pump return hose near the surface of your main tank and make
    sure your refugium/wet-dry filter can contain the excess water that could siphon
    off the main tank before the level drops sufficiently to break the water
    column.

    c) if your tank is bored out and fitted with bulkheads anywhere lower than
    the top few inches of the tank, get some extension hose or PVC piping to make a
    loop for the inlet that is above the water line in the main tank and a loop
    that is just below the water line for the overflow/outlet. These loops will
    limit the water lost out of the main tank in the event of a power failure.

    Another annoying problem is caused by hang on filters and other magnetic
    impeller driven devices that won`t restart on their own <as well as many canopy
    lights> after a power failure. Some brands of hang ons need to be *primed*
    before they will start moving water again, others need their impellers coaxed a
    little. Turn your tank power off for about 20 minutes and test where you`re
    likely to have problems.

    Al
    <close quote>

    In short, hobby, if you have a power failure and you’re lucky enough to have a generator, get it fired up as soon as possible to be on the safe side, and then doublecheck all your aquarium equipment to make sure that it has started up again and is operational. And beware of the potential for water to siphon out of an aquarium during a power outage and take the necessary precautions to stem off such a disaster in your fishroom.

    Best wishes with all your fishes!

    Respectfully,
    Pete Giwojna

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