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Reeftank Log 01/2001
Monday, September 17, 2001
Changed water in 50-gallon/29-gallon system this morning. Transplanted sps in 29-gallon appears to be doing fine. Cut a piece of purple gorgonian and attached it with epoxy to 50-gallon rock. One of the green slimer sps's in the 20-gallon at work is dead. I hope my surviving frag survives. Other two sps from large colony are doing well.
posted 4:59 PM
Friday, September 14, 2001
Major problems in the 50-gallon reeftank. On Tuesday morning, I received a shipment of specimens. I acclimated them to the water in the 50-gallon, and all of them are doing well. The big mistake I made was pouring the water they were shipped in into the 50-gallon tank. Normally, I would have fished out the specimens, but I was at home on a workday and I also was watching the coverage of the terrorist attack and talking to my friend on the phone while I was acclimating the specimens. I expedited the acclimation by pouring the specimen water in the tank when acclimation was finished.
On Wednesday, I noticed a brown jelly around the green slimer. Yesterday, the brown jelly had totally consumed the green slimer and the tri-color next to it. This morning, the brown jelly was on the lower reaches of the huge SPS in the middle of the tank. Luckily, I transplanted some frags of the green slimer to the tank at work and positioned them with epoxy. This morning, they had no sign of brown jelly and the polyps were fully extended. I'll have to make sure the tank at work maintains optimum conditions for SPS growth. I removed all the dead coral this morning. The most drastic procedure was removing the huge SPS in the middle and the rock it was attached to. I broke off a few frags that were farthest away from the brown jelly and distributed them in the 50-gallon tank and the 29-gallon tank. Hopefully, they can escape the infection. The other SPS in the tank haven't been hit yet. I'll have to keep my fingers crossed. I guess the lesson learned is to isolate the water that specimens have been shipped in and to net out the new specimens for the tank. Optimum thing to do would be to have a quarantine tank, but I don't have the room or the time right now to set up another tank. It's unbelievable how fast the brown jelly rapid tissue necrosis (RTN) spreads. When I removed the large SPS growth today, most of it was still healthy, but leaving it in would only leave more healthy tissue for the brown jelly to attack. Normally, I would be very distraught at what has happened to my tank, but with the terrorist attack that occurred on Tuesday, my tank's problems since very irrelevant. In one way I was fortunate since my shipment arrived the night before the attack via Fedex, but then it was the water from those specimens that caused the brown jelly RTN.
posted 9:08 AM
Sunday, May 27, 2001
Changed 5 gallons of water in the 50-gallon/29-gallon same sump system. I don't think I've changed the water since last year in this system because of laziness and the new kid! I have to be more regular about the water changes in that system. I'm going to change 5 gallons in the 20-gallon tank either today or tomorrow. The mushrooms in the 20-gallon tank look like they need some help. The green star polyps and other long polyps in the tank look fine.
posted 5:12 PM
Tuesday, May 22, 2001
The San Jose Mercury News had a good story today about coral collectors and how they may be able to help save the reef. The article can be found at: http://www0.mercurycenter.com/front/docs1/coral0522.htm. I haven't changed the water in my tank for months! But the combination of the plenum and caulerpa filtration appear to be doing a great job. With the increased growth of the sps corals in the 50-gallon tank, I'm concerned about maintaining calcium levels, but everything seems to be going fine for now. I'm pretty lucky that the tanks are pretty stable right now. With my 7-month old kid, work, and cycling and running interests, the tanks don't get as much time as they should. Maybe when my dad retires, he can help me out (yeah, right!).
posted 8:35 AM
Thursday, March 01, 2001
Turned the light on the tank at 7:00 AM and I saw the 4-line wrasse was sleeping in a cocoon of mucus within the Montipora digitata. Couldn't get to my digital camera fast enough in order to take a picture. I wonder if the six-line wrasse was eaten while it was sleepin in its cocoon. I remember seeing the mucus cocoon around a parrot fish in a underwater video.
posted 9:34 AM
Monday, January 15, 2001
A whole set of new images of my 50-gallon and 29-gallon tanks that share the same sump. I'm particularly intrigued by the small new xenia in IMG_0176.jpg.
Reeftank.com Images
I can't wait to get an additional lens with better macro capabilities.
posted 9:19 PM
Wednesday, January 10, 2001
Here is an example of what the Canon Powershot G1 is capable of. The following pictures are the same shot, except a smaller area is cropped with each subsequent shot to a max width or height of 600 pixels in order to show the fine details that this camera can bring out.
Tridacna crocea Clam Shot 1
Tridacna crocea Clam Shot Zoom 1
Tridacna crocea Clam Shot Zoom 2
According to Daniel Knop in the February 1998 issue of Aquarium Frontiers:
"T. maxima may also be confused with the closely related T. crocea. In addition to the difference in size, most T. maxima have a row of hyalin organs near the edge of the syphonal mantle that look like dark, pimple-shaped, pointed elevations. While these hyalin organs are also present in T. crocea, they are spread over the entire syphonal mantle."
From the closeup pictures, it looks like the hyalin organs are all over the syphonal mantle, which would make my specimen a Tridacna crocea. The shell is also more rounded and doesn't have the rows of fluting along the side of the shell that a T. maxima has.
I just posted to rec.aquaria.marine.reefs that this was a T. maxima, but upon a closer look, I think I have a T. crocea. I'd appreciate feedback on whether I'm correct with my identification.
posted 10:20 PM
The living section of the epoxied green slimer frag is showing full color and extension on one branch. Hopefully, the frag is now stable and will start growing over time just like the other frag. Received the Canon Powershot G1 on Monday and it is a great camera. So far, my best pictures have been of my main green slimer growth and the Maxima clam.
Moved a three head section of pom-pom xenia to the propagation tank at work. Because of its shape, I could use fishing line to secure it to a piece of Cercona artificial rock. I initially tried to superglue it, but that didn't work out too well. I also turned off one of the two powerheads connected to the wavemaker in order to give the transplanted Xenia slightly calmer water conditions for it to latch onto the rock.
I moved one of the SPS corals to the left of the tank since it was touching the clam's mantle. I hope it grows out so that there's a SPS chemical barrier on either side of the Xenia in the middle left of the tank.
posted 3:52 PM
Saturday, January 06, 2001
4-line wrasse looks like it's looking a lot more comfortable in the tank. Tang is really munching on the Tang's Delight these days. There's a weird film algae forming on the front of the 20-gallon. Mushroom corals and green star polyps look great with full expansion and vibrant colors. Man, a Flame Angel would look great in the 50-gallon tank, but the main thing I'm concerned about would be if it went after the clam mantle. I have so much Xenia growing, I really wouldn't mind if he ate some. Maybe I'll just get four green chromis first - if I can find them!
posted 12:01 AM
Thursday, January 04, 2001
I hope tissue recession has ceased on the green slimer frag I epoxied earlier this week. Next time, I'm going to epoxy a frag on only one end of the frag instead of along its whole length. I think the combination of superglue and epoxy may have stressed the frag too much.
Purchased a 4-line wrasse with beautiful colors from Aquarium Concepts. I really like that store. Maybe I'll try to pick up some green chromis from Seascapes tonight.
posted 4:59 PM
Monday, January 01, 2001
Changed 5 gallons in the 50-gallon, 29-gallon system today. I also epoxied a green slimer sps frag and moved the pink sps (I don't think it's an acropora) that has very long and hairy polyps. The composition of the tank looks a lot better now, especially with the new position of the pink sps. I haven't added carbon as a filtering medium to either tank for months and there doesn't seem to be any problem. I think the natural filtration via the substrate, live rock and macroalgae, and the protein skimme is doing a sufficiently good job. I hope the clam does okay over the next few months since a sps coral is getting very close to it.
posted 2:02 PM
Friday, December 29, 2000
The yellow tang's stomache was full when I came home last night. It looks like he's finally eating the Tang's Delight.
posted 9:31 AM
Thursday, December 28, 2000
I have to apologize to all those reefkeepers who've been emailing me that I've been neglecting to reply to in a timely manner. I appreciate that they think that I can be of help with their questions or problems. I'll try to catch up with all the messages.
I finally changed the water in my 20-gallon tank after months of neglect. Thank God the the tank is stable so I had no major algae problems. I have a feeling the green star polyps in the tank were sucking up any excess nutrients. I plan on adding a large refugium/sump made out of a Rubbermaid container to this tank system and getting rid of the BakPak II skimmer. I'm interested to see what type of conditions will result from a skimmerless system.
The white polyps in the 50-gallon tank are definitely Xenia since they're pulsing. I'll have to wait a little bit to see where they came from They are all over the tank and growing quickly... I'll have to do a water change with this system this weekend. Like the 20-gallon, there hasn't been any water change for months. Yet, things appear to be flourishing in the tank. I am down to only two green chromis now, but I'm not sure whether I want to replace them with anything. I was thinking of buying four more green chromis to create a small school. The chemical warfare going on in the tank is very interesting. Soft corals, coralline algae and encrusting corals are turning white and dying where the stinging chemicals from hard corals are touching them. I can't wait to see what happens when the SPS corals start touching each other.
I used a drill and jigsaw to cut holes into the tops of the Rubbermaid and Sterilite containers I'm using to create refugiums. I made my first holesaw cut into a Rubbermaid container for a bulkhead, and it was interesting to see the nice round hole that a holesaw makes. I hope I'm as successful cutting into acrylic. I should be receiving the 13-watt kits from AH Supply later on this week that I'll use to light the refugiums.
Received my shipment of Tangs Delight from Stockly's Aquarium of Hawaii at www.ecosaqua.com, and both the Tang's Delight and the small shrimp included were still in good shape. The yellow tang in the 50-gallon tank still hasn't really taken to the Tang's Delight. I wonder if it's different from the Tang's Heaven from IPSF. I just remember how the yellow tang would munch on the Tang's Heaven until its stomach was full.
posted 1:10 PM
Thursday, December 21, 2000
I should be thinking about my two-month old daughter, Ally. I should be thinking about work. I should be out bicycling or running. I definitely shouldn't be thinking about CounterStrike. But all I can think of right now is how to set up refugiums for my tanks at home and my tank at work. All the tanks I have are doing pretty well, but adding an exterior refugium to all of them would free up display space in the tanks. It's funny how I set up my main 29-gallon and 50-gallon tanks to share the same sump. The idea was to use the 29-gallon as a refugium. The problem is that there's now large Entamacea quadricolor and maroon clown, a rock with a colony of monstrous Xenia, and a Cellpore rock with a lot of sawblade Caulerpa on it. I hope to set up a plastic refugium underneath the 29-gallon that will hold the Cellpore rock and the sawblade Caulerpa so that I can get a better view of the anemone. Right now the anemone is pretty huge, and I think it should split again in the next 6 months. I've put screens around the powerheads so that a wandering budded anemone won't get sucked up by a powerhead again. In order to make the plastic refugium, I'm going to use a Sterilite box. Right now, I'm debating on whether to use the overflow from the 29-gallon tank to supply water to the refugium or to use a pump from the sump to the refugium.
Both my 20-gallon tank at home and propagation tank at work don't seem to have as optimal conditions as the 50+29-gallon setup, and I think the answer may be to add a refugium to both setups. I think it also hasn't helped that I haven't changed the water in all my tanks for months! I have a CPR CITR in both the 20-gallon and the propagation tank at the moment, but I only see them as interim measures until I can set up larger refugiums for both tanks. One thing I definitely want to do is to drill holes in both tanks as outlets to sumps. The Lifereef overflow works great in the propagation tank, but it takes up a lot of space and a bulkhead installation would take up a lot less space. Wow, I just thought of using the present one inch overflow in the propagation tank as the feed or outlet for a refugium! I could then drill another hole for the sump. There's so little room in the 20-gallon tank that it would just be nice to have a bulkhead inlet in the back of that tank and direct it to a sump/refugium underneath the tank. I feel sorry for this tank since I don't look at it that much. I occasionally glance at it, but I really focus on my 50+29-gallon setup at home. Contrast this with when I first set up my 20-gallon tank and I would look at it for hours.
There's some small white polyps growing all over my 50-gallon tank. I don't think they're Xenia, but they do look like Xenia polyps. I'll have to get a closeup picture soon. Speaking of closeup pictures, I'm amazed at the quality of the pictures that the Nikon Coolpix 990 can take without any additional lenses. This is quite an amazing digital camera that I'll probably be acquiring sometime next year. Oh wait, I'm supposed to be saving money for the new kid and a house ;-)
posted 4:44 PM
Monday, December 18, 2000
I saw the bristleworm eating food yesterday. It has the strangest looking mouth which is a vertical, instead of a horizontal, slit. Children may be reading this site, so all I'm going to say is that the mouth looks like a part of a human female's anatomy - very disconcerting. I'll try to get video as soon as possible. Biggest bonus for me in the last year is the discovery of the Lifereef overflows. These overflows are FAILSAFE!!! I've had my old CPR overflows fail too many times when the small hole that you connect an airline to that sucks out excess air gets clogged up and the overflow breaks siphon. Thank god I've never lost anything due to overflow failure. I regret not posting much over the past six months, but I was mountain bike coach for Stanford University this fall, and my first child, Ally, was born October 16th. The tanks I maintain have been doing great though. It's shocking to see how small some of my specimens were a year ago. The white pulsing Xenia that were only the size of a silver dollar are now about 8 inches tall with a 5 inch head. I don't know where to put those babies! It's very interesting to see which one of my sps corals have grown a lot and which ones haven't grown much at all.
posted 9:12 AM
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