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12/14/2010, 01:11 PM | #1 |
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SPS Melting away
It looks like the SPS growth spots are melting away. I put in a Leng-sy montipora cap and saw a lot of the white/purple growth spots melt away. When I was cleaning my sump, which has a good build up of detritus, my new pink Millipora had its growth spots melting away. My older SPS are showing ok growth, nothing amazing. With possibly the exception of two Pink Montipora Caps. My Nitrates are at 10, and climbing down from slowly increasing Vodka dosing. I'll keep checking them and increase Vodka dosing(done twice a day on a timer) until they're down to 0 or so. With the exception of 1 daily feeding, I've automated everything in the tank. I use Kalk + 2, but nothing for Alkalinity. Any suggestions? Has anybody seen this?
Ph flunctuates 7.88 to 8.04 on a controller. Temperature fluctuations are 79-79.6 Phosphates unsure, but can test if needed. Alkalinity is good according to strip test, but I can get exact number. Likely 8-9. Magnesium unsure Tank is 90 gallons with 2x 250 MH's on for 5.5 hours a day. 4x Stunner strips on for 11 hours a day. If it helps increasing the time MH's are on makes Corals do worse. I'm not running GFO now. I have an Octopus XP 2000 Skimmer. I try to stay away from making any changes whatsoever, hence everything is on a timer. I've posted this on the general interest thread, wanted to also post it here. |
12/14/2010, 03:03 PM | #2 |
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I realy don't know what you mean when you say " growth spots " And melting away " ??
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150g sps display with basement sump. |
12/14/2010, 03:16 PM | #3 |
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what is your calcium at and what is your alk exactly?
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12/14/2010, 03:31 PM | #4 |
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Calcium I can get a reading on tomorrow. Alkalinity tonight. When I say melting away, I mean I could see white strands coming off the SPS into the water.
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12/14/2010, 06:04 PM | #5 |
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Well that sucks, have you checked your akalinity? That's usually the cause of it if it's too high for it to quickly adjust to.
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12/14/2010, 07:24 PM | #6 |
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API Alkalinity test yielded 9Kh
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12/14/2010, 08:36 PM | #7 |
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whats your po4? and are you dosing any becteria along with the vodka?
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You have two ears and one mouth, so you should listen twice as much as you talk. Current Tank Info: in progress |
12/15/2010, 10:23 AM | #8 |
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Are you sure its not slime from digested food? When the coral feeds, it digests the food and poo's it out, for lack of better terminology.
-Chris |
12/15/2010, 10:39 AM | #9 |
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I'll test the PO4 tonight. I don't use any bacteria. Should I be? Is there a picture of SPS exuding food I can compare to?
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12/15/2010, 11:09 AM | #10 |
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2, 250w MH and 4 strips is a bit powerful for a 90g, try leaving the MH on for 4 hours a day instead of 6.
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12/15/2010, 11:29 AM | #11 |
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12/16/2010, 07:44 AM | #12 |
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I would scale back the vodka just a little until you can monitor your nutrients more closely. you really need to keep a very close eye on things when you use any pro-biotic methoods like vodka, and when your nutrient levels get very low you absolutely have to keep your levels very close to natural seawater.
alk7.5 cal450 mag1350 potassium I think around 350 but you should chek on that.
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You have two ears and one mouth, so you should listen twice as much as you talk. Current Tank Info: in progress |
12/16/2010, 07:57 AM | #13 |
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Quit dosing everything and go back to basics.(weekly water changes and good husbandry)I had issues with vodka very similar to yours the several times I tried it..I believe unhealthy bacteria are just as easy to grow as beneficial ones and you may have a strain that eats coral(flesh eating bacteria).Or you are reaching the 0 phosphate level which IMO is not beneficial to corals long term and they will develop stn or rtn if kept at this level too long.of course,IMO
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Dan Rigle President, * Reef Conservation Society TOTM December 2010 Coral Magazine Sept/Oct 2012 Current Tank Info: 180 gal SPS dominated display, 3 X 250 watt Radiums , lumenarc III minis , with VHO actinics, ETS downdraft skimmers, closed loops and 2 Tunze 6105 & 7095 controller,DIY calcium reactors DIY custom built sumps,since 1992 |
12/16/2010, 11:43 AM | #14 |
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Must be from something being dosed into the system. Like Rigleautomotive says, just stick with the basics and cut out all the dosing. Let the tank stabilize before making further advancements.
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12/17/2010, 08:17 PM | #15 |
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I'm dosing Kalk and Vodka. I can cut out the Vodka, but one of the reasons I'm doing it is because I'm not really set up to do 10% water changes. While I can, it is a pain, so I'd like to avoid it if at all possible. Can anyone second on decreasing the lights? I am seeing slightly worse response since I've raised it up to 5.5 from 5, but I'd really like a second opinion on that. So many people keep their MH's on for 7+ hours and I don't understand why I should be going down to 4.
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12/17/2010, 08:28 PM | #16 |
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Sorry to say but I feel there is no real substitution for water changes. They are the best thing you can do for your tank. Your lighting shouldnt be an issue either I rum 2x400 for 11 hrs a day on a 75 and don't have any problems.
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12/17/2010, 08:35 PM | #17 | |
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Quote:
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12/17/2010, 09:28 PM | #18 |
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how old is the tank?
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12/17/2010, 09:30 PM | #19 |
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12/18/2010, 07:01 AM | #20 | |
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Quote:
Make sure your RODI is 0 TDS and your prefilters are new enough to be sure the chlorine,chloramine is being removed.
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Dan Rigle President, * Reef Conservation Society TOTM December 2010 Coral Magazine Sept/Oct 2012 Current Tank Info: 180 gal SPS dominated display, 3 X 250 watt Radiums , lumenarc III minis , with VHO actinics, ETS downdraft skimmers, closed loops and 2 Tunze 6105 & 7095 controller,DIY calcium reactors DIY custom built sumps,since 1992 |
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12/20/2010, 07:06 PM | #21 |
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My Montis have been bleaching a little, so I assumed it was a Potassium problem. I tried to dose one of my supplements which had Potassium and it happened again. This was the best picture I could get. I also dosed some calcium yesterday(SeaChem). I haven't changed anything else, I wanted to formulate a full plan beforehand. The corals are growing, so I don't want to change too much. I've also found out there is a problem with my Octopus XP 2000. The pump has a timer issue, so the bubbles aren't fine enough. It was under warranty and the new pump is arriving in 2 days.
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12/21/2010, 04:49 PM | #22 | |
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Do you have softies or LPS in your tank? How far are the corals apart? Running carbon? I have a coral doing the same thing because another piece is too close. |
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12/21/2010, 05:12 PM | #23 | |
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Quote:
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12/22/2010, 11:21 AM | #24 |
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I would restart up running carbon, that stopped my mesentrial filaments almost immediately. And yes you're right apparently the reaction can be for feeding too.
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Tags |
sps, sps care, sps growth |
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