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Pet Forum / Aquaria / Marine Reef / November 2005Difficulty with Yellow Polyps
72 gallon reef with many LPS, muchrooms, buttons, and reef safe fish. Standard clean up crew. I can't for the life of me keep yellow polyps. They die off quickly. Everything else in the tank does great. Water quality is awesome. Calcium and KH/Alk are perfectly in range. That seems to be the only species that will not thirve in my system. Any thought? What are the symptoms? ,, other than they don't live :-) Wayne Sallee Wayne's Pets Wayne@WaynesPets.com Ray Martini wrote on 11/26/2005 9:34 AM: > 72 gallon reef with many LPS, muchrooms, buttons, and reef safe fish. > Standard clean up crew. I can't for the life of me keep yellow polyps. They [quoted text clipped - 3 lines] > > Any thought? They just shrivel up and fade away ... > What are the symptoms? ,, other than they don't live :-) > [quoted text clipped - 10 lines] >> >> Any thought? >They just shrivel up and fade away ... Do you have any butterfly fishes, as my experience with them is that they keep picking at yellow and other polyps until they die ? (Almost a top-post). Regards, Fishnut. >> What are the symptoms? ,, other than they don't live :-) >> [quoted text clipped - 10 lines] >>> >>> Any thought? No Butterfly fishes. Someone else eating them maybe? >>They just shrivel up and fade away ... > [quoted text clipped - 19 lines] >>>> >>>> Any thought? How much lighting? Wayne Sallee Wayne's Pets Wayne@WaynesPets.com Ray Martini wrote on 11/26/2005 2:36 PM: > They just shrivel up and fade away ... > [quoted text clipped - 13 lines] >>> >>>Any thought? 260w of PC lighting. > How much lighting? > [quoted text clipped - 20 lines] >>>> >>>>Any thought? Did you ever do any large water changes to see if they reacted positively to large water changes? Wayne Sallee Wayne's Pets Wayne@WaynesPets.com Ray Martini wrote on 11/26/2005 7:10 PM: > 260w of PC lighting. > [quoted text clipped - 23 lines] >>>>> >>>>>Any thought? I usually do 15 gallons (20%) monthly. Should I try a larger change? > Did you ever do any large water changes to see if they reacted positively > to large water changes? [quoted text clipped - 31 lines] >>>>>> >>>>>>Any thought? That's fine. I, however like doing a good 50% water change if things are not right. With a large water change you can better judge if the water conditions are the problem. Wayne Sallee Wayne's Pets Wayne@WaynesPets.com Ray Martini wrote on 11/26/2005 8:52 PM: > I usually do 15 gallons (20%) monthly. Should I try a larger change? > [quoted text clipped - 34 lines] >>>>>>> >>>>>>>Any thought? Your not alone in not being able to keep yellow polyps. I have bought quite a few of them and as of date only have one lousy polyp to show for them all. All my water paramters were perfect....I tried low flow, med flow and high flow, lighting at all different levels, and within 2 or so weeks yuou could start to see the numbers dwindle. At first I thought that something in the tank was munching on them, but even the ones I moved to a pico type tank without any critters that could possibly munch on them they still dwindled to nothing. Everything else in these tanks are doing superb so it really makes me wonder whats up with yellow polyps. I even spot fed them, and they curled up around the food and consumed it, so feeding was definately not a problem either.....  Signature\\\|/// ( @ @ ) -----------oOOo(_)oOOo--------------- oooO ---------( )----Oooo---------------- \ ( ( ) \_) ) / (_/ The original frugal ponder! Koi-ahoi mates.... >> Ray Martini wrote on 11/26/2005 2:36 PM: >>> They just shrivel up and fade away ... >> How much lighting? "Ray Martini" <keyzpleez@comcast.net> wrote on Sat, 26 Nov 2005: > 260w of PC lighting. This seems like enough lighting, but my experience has been that light makes a big difference to yellow colonial polyps. Even though I do see them catch and eat macro foods too. I had a (250W) metal halide bulb for a couple years, and my yellow polyps spread everywhere: across three rocks, filled one wall of my aquarium, etc. During the "day", when they came out, you couldn't even see individual polyps. They just looked like a sea of grass or wheat in the current. Then, about a month and a half ago, my MH ballast started burning out. I'm in the middle of upgrading to a whole new tank, so I didn't bother to repair/replace it, but just swapped in an old PC fluorescent (2x55W) canopy I had laying around. And sure enough, the yellow polyps are all receding and disappearing. They still cover the same square area, but now there are only a patchwork of individuals here and there. The only major change during this time was lighting. Of course, that has lots of effects. I'm sure there's a lot less algae growth with the lower lights, and perhaps the polyps filter feed on the algae. Anyway, in my experience, the lighting makes the difference between growth and death for yellow polyps. -- Don _______________________________________________________________________________ Don Geddis don@geddis.org http://reef.geddis.org/ Too bad the Spanish conquistadores were only after gold, because they probably walked right past more tin and manganese than in their wildest imaginations. -- Deep Thoughts, by Jack Handey [1999] Yep, it's just not worth it to skimp on lighing when setting up a reet tank. Often people have problems with their tanks, and can't figure out why. Often one can keep coral under less desirable conditions, but the chances of it not working right is greatly increased. Lighting is something that almost everyone skimps on with their first reef tank, but it should be the last thing to be skimped on. Wayne Sallee Wayne's Pets Wayne@WaynesPets.com Don Geddis wrote on 11/29/2005 2:23 PM: >>>Ray Martini wrote on 11/26/2005 2:36 PM: >>> [quoted text clipped - 35 lines] > walked right past more tin and manganese than in their wildest imaginations. > -- Deep Thoughts, by Jack Handey [1999] |
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