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Archive for February, 2010


Friday, February 19th, 2010

A few months ago, we introduced Reef Tools reader to the T5 HO Light Fixtures by AquaticLife. Recently, we took a closer look at the 36″, 4 bulb unit. One of the nicest things about this unit, is the built-in timer. The unit offers 2 420/460nm, 2 700+nm, and lunar led lights, all of which are independently controlled by the unit’s timer. Programming the onboard computer is as easy as can be, and you’ll have this T5 unit up and running in no time with dawn, daytime, dusk, and lunar times. (note, the units do come with a factory-set program in case you don’t want to set your own).

We included a video showing how to program the timer on the Aquatic Life Compact Fluorescent just to illustrate the ease of use:

Thursday, February 18th, 2010

I Just built my 2nd light rack out of 3/4″ EMT Conduit, and wanted to post some pictures and say that if anyone is looking for an inexpensive/clean way to hang lights without utilizing a canopy or hanging something from your ceiling… this is the way to go.

I think each 10′ length was like $3.00 or something and it took 2 lengths for my current project. My last one only needed one length. What made this current project a little more expensive than the first one was the use of conduit fittings, instead of bending the entire bar (which can be a little difficult for a beginner).

Here was my first light rack… pretty much made to support only 1 pendant. I painted the bar black and used zip ties to hide the wires. Once again, this rack was bent (no fittings were used) so it’s all one piece.

Here is the rack I just constructed. I used a hacksaw and cut the 2 lengths of conduit into 5 separate pieces. Then the 4 conduit fittings were used to connect everything. Metal conduit straps were used to attach the main vertical bars to the back of the stand.

Photos and Content graciously provided by Tswifty

Thursday, February 18th, 2010

Skimmate, more than just a sludgy mess…

I have often wondered what the grungy gray gunk that filled my humble remora skimmer cup could be. It was frothy on the top, liquid in the center, and sludgy on the bottom; all of the characteristics of my favorite iced mocha really, yet far from the same flavor. It really has multiple textures and a plethora of funky-fresh smells. So what could this disturbingly pungent pool of excrement really be? Luckily, I have wicked sweet google skills and there are chemists out there that love to get their hands dirty.

Ken S. Feldman published a brilliant study breaking down the exact components of skimmate titled Elemental Analysis of Skimmate: What Does a Protein Skimmer Actually Remove from Aquarium Water? This exceptionally detailed study can be found by visiting our friends at AA. I recommend checking it out if you really want to understand Ken’s genius, but if you are more into the cliff notes version read on.

Skimmate is composed of less organic material than one might guess. In fact only 34% of the skimmate was organic material or fishy number twos.

In summary, the skimmer is pulling out a solid, water-insoluble mixture of compounds that consist by weight of (approximately):

  • 44 % of CaCO3
  • 5% of MgCO3
  • 11% of biogenic opal
  • 4% of organic material
  • 0.5% of phosphate

Now clearly, this breakdown is very complex and most of us will never understand it, but it can be used to truly impress our fellow reefers at our club meetings, so use it wisely!

Wednesday, February 17th, 2010

If life deals you lemons, why not kill some aiptasia with them. About a month ago, we added an article about Aiptasia Removal Methods. Well, hopefully, you don’t have any left, but just in case, here’s great way to rid yourself of this nuisance anemone. Basically, what’s involved is injecting each aiptasia with lemon juice. The acidic nature of lemon juice will kill the anemone, and prevent it from further reproduction.

Note: Please make sure not to overdose your tank with lemon juice, as it will will drop your tank’s pH, and the dead anemones may add some ammonia to your water. As a safety measure, please watch your pH monitor, and run some carbon (which you should be doing anyways :))

Wednesday, February 17th, 2010

A petition for the protection of over 80 species of Stony corals has been started by an Arizona based environments group. While 83 different species were originally stated, “only” 80 have made it to the final stage which could essentially put them on the Endangered Species list. This restriction would prevent these corals from being collected in any US water territory, ban import into the US, and ban interstate shipping. This petition could drastically alter the face of the reef aquarium hobby, especially since captive propagation would now require a federal permit.

DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration

50 CFR Parts 223 and 224

[Docket No. 0911231415-0052-01]
RIN 0648-XT12

Endangered and Threatened Wildlife; Notice of 90-Day Finding on a
Petition to List 83 Species of Corals as Threatened or Endangered Under
the Endangered Species Act (ESA)

AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and
Atmospheric Administration (NOAA), Department of Commerce.

ACTION: 90-day petition finding; request for information.

———————————————————————–

SUMMARY: We (NMFS) announce a 90-day finding on a petition to list 83
species of corals as threatened or endangered under the ESA. We find
that the petition presents substantial scientific or commercial
information indicating that the petitioned actions may be warranted for
82 species; we find that the petition fails to present substantial
scientific or commercial information indicating that the petitioned
action may be warranted for Oculina varicosa. Therefore, we initiate
status reviews of 82 species of corals to determine if listing under
the ESA is warranted. To ensure these status reviews are comprehensive,
we solicit scientific and commercial information regarding these coral
species.

DATES: Information and comments must be submitted to NMFS by April 12,
2010.

ADDRESSES: You may submit comments, information, or data, identified by
the Regulation Identifier Number (RIN),

[[Page 6617]]

0648-XT12, by any of the following methods:
Electronic Submissions: Submit all electronic public comments via
the Federal eRulemaking Portal: http://www.regulations.gov.
Mail: Assistant Regional Administrator, Protected Resources
Division, NMFS, Pacific Islands Regional Office, 1601 Kapiolani Blvd.,
Suite 1110, Honolulu, HI 96814 (for species occurring in the Pacific
Ocean); or Assistant Regional Administrator, Protected Resources
Division, NMFS, Southeast Regional Office, 263 13th Avenue South, St.
Petersburg, FL 33701 (for species occurring in the Atlantic Ocean).
Facsimile (fax): (907) 586-7012 (for species occurring in the
Pacific Ocean); (727) 824-5309 (for species occurring in the Atlantic
Ocean).
Instructions: All comments received are a part of the public record
and will generally be posted to http://www.regulations.gov without
change. All personal identifying information (e.g., name, address,
etc.) voluntarily submitted by the commenter may be publicly
accessible. Do not submit confidential business information or
otherwise sensitive or protected information.
NMFS will accept anonymous comments. Attachments to electronic
comments will be accepted in Microsoft Word, Excel, WordPerfect, or
Adobe PDF file formats only.
Interested persons may obtain a copy of this coral petition from
the above addresses or online from the NMFS HQ website: http://
www.nmfs.noaa.gov/pr/species/invertebrates/.

FOR FURTHER INFORMATION CONTACT: Lance Smith, NMFS Pacific Islands
Region, (808) 944-2258; Jennifer Moore, NMFS Southeast Region, (727)
824-5312; or Marta Nammack, NMFS, Office of Protected Resources, (301)
713-1401.

SUPPLEMENTARY INFORMATION:

Background

On October 20, 2009, we received a petition from the Center for
Biological Diversity to list 83 species of coral as threatened or
endangered under the ESA. The petitioner also requested that critical
habitat be designated for these corals concurrent with listing under
the ESA. The petition asserts that synergistic threats of ocean
warming, ocean acidification, and other impacts affect these species,
stating that immediate action is needed to reduce greenhouse gas
concentrations to levels that do not jeopardize these species. The
petition also asserts that the species are being affected by dredging,
coastal development, coastal point source pollution, agricultural and
land use practices, disease, predation, reef fishing, aquarium trade,
physical damage from boats and anchors, marine debris, and aquatic
invasive species. The petition briefly summarizes the description,
taxonomy, natural history, distribution, and status for each petitioned
species, and discusses the status of each oceanic basin’s coral reefs.
It also describes current and future threats that the petitioners
assert are affecting or will affect these species.
The 83 species included in the petition are: Acanthastrea brevis,
Acanthastrea hemprichii, Acanthastrea ishigakiensis, Acanthastrea
regularis, Acropora aculeus, Acropora acuminate, Acropora aspera,
Acropora dendrum, Acropora donei, Acropora globiceps, Acropora horrida,
Acropora jacquelineae, Acropora listeri, Acropora lokani, Acropora
microclados, Acropora palmerae, Acropora paniculata, Acropora
pharaonis, Acropora polystoma, Acropora retusa, Acropora rudis,
Acropora speciosa, Acropora striata, Acropora tenella, Acropora
vaughani, Acropora verweyi, Agaricia lamarcki, Alveopora allingi,
Alveopora fenestrate, Alveopora verrilliana, Anacropora puertogalerae,
Anacropora spinosa, Astreopora cucullata, Barabattoia laddi, Caulastrea
echinulata, Cyphastrea agassizi, Cyphastrea ocellina, Dendrogyra
cylindrus, Dichocoenia stokesii, Euphyllia cristata, Euphyllia
paraancora, Euphyllia paradivisa, Galaxea astreata, Heliopora coerulea,
Isopora crateriformis, Isopora cuneata, Leptoseris incrustans,
Leptoseris yabei, Millepora foveolata, Millepora tuberosa, Montastraea
annularis, Montastraea faveolata, Montastraea franksi, Montipora
angulata, Montipora australiensis, Montipora calcarea, Montipora
caliculata, Montipora dilatata, Montipora flabellata, Montipora
lobulata, Montipora patula, Mycetophyllia ferox, Oculina varicosa,
Pachyseris rugosa, Pavona bipartite, Pavona cactus, Pavona decussate,
Pavona diffluens, Pavona venosa, Pectinia alcicornis, Physogyra
lichtensteini, Pocillopora danae, Pocillopora elegans, Porites
horizontalata, Porites napopora, Porites nigrescens, Porites pukoensis,
Psammocora stellata, Seriatopora aculeata, Turbinaria mesenterina,
Turbinaria peltata, Turbinaria reniformis, and Turbinaria stellula.
Eight of the petitioned species are in the Caribbean and belong to the
following families: Agaricidae (1); Faviidae (3); Meandrinidae (2);
Mussidae (1); Oculinidae (1). Seventy-five of the petitioned species
are in the Indo-Pacific region, represented by five families (nine
species) in Hawaii: Acroporidae (4); Agaricidae (1); Poritidae (1);
Faviidae (2); Siderastreidae (1); and 11 families and one order in the
rest of the Indo-Pacific region: Acroporidae (31); Agaricidae (7);
Poritidae (6); Faviidae (2); Dendrophylliidae (4); Euphyllidae (4);
Oculinidae (1); Pectiniidae (1); Mussidae (4); Pocilloporidae (3);
Milleporidae (2); Order Helioporacea (1). All 83 species can be found
in the United States, its territories (Puerto Rico, U.S. Virgin
Islands, Navassa, Northern Mariana Islands, Guam, American Samoa,
Pacific Remote Island Areas), or its freely associated states (Republic
of the Marshall Islands, Federated States of Micronesia, and Republic
of Palau), though many occur more frequently in other countries.
The petition states that all of these species are classified as
vulnerable (76 species), endangered (six species: Acropora rudis,
Anacropora spinosa, Montipora dilatata, Montastraea annularis, M.
faveolata, Millepora tuberosa), or critically endangered (one species:
Porites pukoensis) by the World Conservation Union (IUCN). Montipora
dilatata and Oculina varicosa are also on our Species of Concern list.

Wednesday, February 17th, 2010

Set to Eye of the Tiger, this “battle” between two anemones is quite worth watching. A couple of hook shots, some straight jabs, and you have yourself a cool reef video.

Tuesday, February 16th, 2010

At one point or another, most hobbyists encounter a time when a fish is suffering beyond the point of possible revival. The question as to the most humane method to euthanize this fish often arises.  While there are several acceptable methods, we prefer using clove oil.

Clove oil is used as a fish sedative when performing procedures such tumor removal or general wound care. Clove old can be  purchased through many pond suppliers and health food stores.  A bottle should last you a lifetime….and if not…you should be reading many different articles!! 😉

The procedure is as follows:

Place the fish in a container of tank water at room temperature, and place the sick/suffering fish in this container. In a separate, smaller container, mix a solution of a bit of water and 3 to 4 drops of clove oil for every pint in the holding container.  Add this mixture to the holding container; this will be used as an initial dose, and will begin the process. The addition of clove oil to the water, slows down the fish’s breathing, and slows places the fish in sleep-like state.

At this point, you may add 3 or four more drops directly into the holding container. This will continue to slow down it’s breathing. After a about 30 minutes, you may add 3 or 4 more drops of clove oil to the container and continue to observe the fish for up to an hour or two. The fish should continue to slow down, until ultimately passing away painlessly.

A FEW WARNINGS, PLEASE READ!!!

  • Please take care with the doses and be patient in order to allow the clove oil to slowly perform it’s task.
  • Please keep Clove oil out of reach of children as it can be toxic.
  • Please dispose of the fish properly since clove oil can be dangerous to other animals if consumed.

Tuesday, February 16th, 2010

I recently read about a very unique approach to flawless water conditions titled Two Times Five Equals Success, by Scott Fellman. The concept is exceptionally simple and demands very little from the hobbyist. Change FIVE percent of your aquarium’s water TWO times per week and you will gain stability and save money on additives.

If you really think about it, we have all been drilled by every advanced hobbyist to change 20% of our water on a bi-weekly, or monthly for the lackadaisical reefer. This seemed to work fine, yet we all would still fall victim to organic waste/protein buildups and depleted trace elements. So is this the way to avoid potential crashes and have beautifully harmonious environment? I think so. I challenge all of us to try this method of quality control for two months and record the findings on the Parameter App featured on www.reeftools.com/live I have a feeling you will be surprised by the lack of nitrates, phosphates and nuisance algae, not to mention the lack of visible detritus.

The entire process should take less then 10 minutes and save you tons on chemical additives. In addition to this little challenge, you could really take the time to go above and beyond and recommit to your mini-ocean. Change out or clean any filters, collection cups, and media and I am certain that you will find absolutely brilliant results. The environmental consistency of the water will become predictably flawless. What do you have to loose other than a few minutes of internet reefing? You’re tempted aren’t you?

The benefits of such regimented practices will become apparent rather quickly. In addition to saving some green, not loosing stock to poor water conditions, and advancing your skills; your fish will be brighter, more alert, eat more, and perhaps even take a little time to bump fins if you know what I mean. This system seems genius and huge props to Scott Fellman for inspiring us to work smarter not harder.

By Shawn Gustafson

Monday, February 15th, 2010

We had a chance to look at the Octopus, AquaFX first release in a line of Green and Efficient RO/DI units. As with all AquaFX units, this line is made, tested and supported in the US.

Out of the box, the AquaFX Octopus is truly impressive. The sheer number of gadgets and gizmos that come with this unit are sure to make any hobbyists smirk. First and foremost, the Octopus boasts a microprocessor-controlled 1:1 waste water ratio. Long gone are the days of wasting 3, 4 or even 5 gallons of water for every precious clean gallon. Although some hobbyists have found uses for this waste water, the truth is that most of use simply dump it. Next, the Octopus sports a high pressure, bracket-mounted booster pump, which is located POST pre-filtration. This design will extend the life of the pump, since the water flowing through it is already free of most large particles. The Octopus also features extended DI life via an automatic Membrane Flush upon start-up. This TDS Creep flushing, is designed to prolong the life of the DI resin. A complete membrane flush upon shutdown, will help prevent membrane scaling.

Another great feature of this new RO/DI unit by  AquaFX is the build in TDS  meter. You no longer need to use a hand-held model to measure TDS levels of the output. Finally, the Octopus has both High and Low pressure kill switches, which protect the pump and facilitate complete system automation.

Basically, the Octopus is jam packed with just about anything a hobbyist could possibly want from an RO/DI unit.

The Octopus is set up for the greatest filter life, with the least amount of waste! With a price tag of just $389.00, you can start going Green right now!

Friday, February 12th, 2010

This amazing HD video by the gang at Coralmorphologic features a flame scallop, or Lima scabra. This filter feeder, siphons water through it’s fleshy mantle (similarly to a giant clam), strains any items of nutritional value, then expels the water back out. The flame scallop maintains it’s position with the help of “byssus threads” formed by a viscous protein secretion.  The flame scallop is capable, however, of swimming away in the even of an attack by a predator.  Click here to read the complete article by Coralmorphologic.

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