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01/20/2011, 11:37 AM | #1 |
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8 year old tank-Have I finally met my match?
Hello friends,
I have an 8 year old tank and have been able to handle most problems-but I seem to have met my match. I am unsure if this is the correct forum-so please direct me if this is uncorrect. I am having a significant-if not overwhelming-algae problem. I am assuming it is algae-but I am not even sure I am identifying it correctly. Whatever it is-I have been battling it for months and I need help. This "algae" seems to originate as small hair-like projections from my rock-almost plant-like-(1-5 mm) in length. It then starts to accumulate reddish slime/algae from these projections and collect small air-bubbles. This covers everything-the rocks-sticks to corals-really seems to like to stick to the surface and sides of the top of my tank. It sticks to my glass as well. I clean the glass off, I clean the rocks off, the reddish slime goes away-but the small hair-like projections stick to my rock. I use a toothbrush-scrubbing the rocks-but am unable to fully remove this ubiquitous stuff. I have tried:\ The heavy manual cleaning of rocks/etc. Algaefix (API) Stop Hair algae (chem-marin) Marine S.A.T. I have a 75 gallon tank. I run a coralife protein skimmer in conjuction with a cascade canister filter (adapted with a small surface extractor). I was using an additional on-the-back filter as well, but it seemed to just collect more algae..so I took that off last week. I use Aquatic life lights (LF2-48) I added phos-lock to the canister filter 1-2 months ago. Current stats today : Temperature-74 Ph-7.8 Ammonia-0 Nitrate-0-0.25 KH-5 Calcium-400 Phos-0.1 Specific gravity-1.024 Added buffer today (Kent Marine-superbuffer-dKH) and balance blocks (HBH) (pH is normally 8-8.3) as regular maintenance when the values run low. Please Please offer any thoughts, ideas, or any additional information that I may provide. I have been battling this for months and I am beginning to lose my energy for the hobby. thanks in advance, Jason |
01/20/2011, 11:50 AM | #2 |
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Assuming its not just green hair algae....does it look like this?
http://reefkeeping.com/issues/2007-0...s/image017.jpg If so, its Neomeris sp. The red very much sounds like cyano, especially with the bubbles you described. |
01/20/2011, 12:03 PM | #3 |
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Get your alkalinity back up and I bet the algae goes away. Should be up around 8 or 9dKH.
Dennis |
01/20/2011, 12:03 PM | #4 |
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Does not look like that green pic (that looks like something I would want-lol)
I think it may be cyanobacteria (slime algae), although I cannot rule out diatoms or the dinoflagelates. Whichever one it is-I am struggling to why I cannot get rid of it-despite much much effort. |
01/20/2011, 12:16 PM | #5 |
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Get your alk to 8-9 for a FOWLR
for SPS I like my tanks closer to the 11-13 range What kind of flow do you have in the tank? Lighting? I would try feeding a little less and adding some flow to the tank. By feeding less you should be adding less phos, starving the algae, adding flow ****es off most algaes which most often prefer low flow environments. I had the same problem previously and following these simple steps fixed it for me. |
01/20/2011, 12:19 PM | #6 |
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If it looks like bubbly brown snot it may be dinoflagellates
i beat them a few years ago - progress was discussed in this thread: http://www.reefcentral.com/forums/sh...d.php?t=731943 The pics of the dinos at the 1st of my thread are no longer there but if you search there are lots of pics in the forums.
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Common sense is not that common! Current Tank Info: 75 Gal reef |
01/20/2011, 12:32 PM | #7 |
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Let me start off by saying I too have an older tank, about 7 1/2 years old and with this amount of age we have issues with built up nitrates and phos. Having said this I am first amazed that this hasn't happened sooner using a canister filter so well done on that point. Looking at you params though I would say your alk is quite low, should be at least 7-8, salinity should be at 1.025 or so and you need to test your magnesium, It sounds like it may be bryopsis and elevating the mag to the 1500 range will knock this down and if you have a sand bed it should be slowly changed, like 10-15% at a time, as a huge amount of waste will build up over time just be careful when you start removal that the nasties released during the removal process are sucked out as you go. One more thing the tank is too cold it should be in the 78 range. GL and pm me if you need to discuss further Grant
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Really honey, I'm not going to buy anything at the fish store I'm just going to have a look. The Other Pres. at Wine Country Reefers. Current Tank Info: 120 gallon SPS dominant tank, custom lighting, etc, etc |
01/20/2011, 01:14 PM | #8 |
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Like others have said, your dkh is too low. Your temp should be higher but is unlikely the cause. Your magnesium should be kept stable at or above 1300, this will keep your dkh and ca stable. With that said, since youve been doing this a long time, you probably already know that.
-Do you run a DSB? - How old are your lights? -How do you consistantly control PO4? -Do you run carbon? (have you experimented with carbon dosing) -are you doing water changes? -have you tried light starvation? -Do you clean your canister frequently? (They are bacteria traps) Anytime I have an un-ID'd problem I start with a series of liberal water changes. In conjunction with some light starvation, you should be able to get a handle on it.
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01/20/2011, 01:42 PM | #9 |
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Type in "bryopsis" in google images... does the hair-like algae look like that?
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01/20/2011, 01:47 PM | #10 |
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Get alkalinity up and check your magnesium...I don't see it listed...a low level will really create a problem...I had massive Mg deficiencies...fixed them along with some other factors and all is good now!
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01/20/2011, 02:29 PM | #11 | |
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Quote:
Excuse the question, but how does low alk allow for this type of algae growth when other parameters are normal? |
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01/21/2011, 10:49 AM | #12 |
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Heh, was my exact thought. Have been raising the alkalinity up slowly but now sure how it contributes. Will correct and see how it goes. Frustrating but awesome having so many folks give advice.
Thanks so much. |
01/21/2011, 11:05 AM | #13 |
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And you might combine that effort with turning off the lights for 3 days once a month: cyano has to have light. It'll go fast, and your skimmer will suck up the dieoff.
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Sk8r Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low. Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%. |
01/21/2011, 11:10 AM | #14 |
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the po4 of .1 is also on the high side. I would try to lower that.
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75 gal. mixed DT, 100 gal. sump, 50 gal. fuge, Clownfish breeder |
01/21/2011, 11:29 AM | #15 |
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What is your source of H2O?
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01/22/2011, 01:16 PM | #16 | |
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Quote:
In our tanks, it's no different. Sea water is the closest liquid to our blood. We really want to be alkaline, so too, does our tank. It prevents a lot of problems...life as is found in our tanks does not do well with an acidic environment...period... |
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01/22/2011, 03:31 PM | #17 |
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Hmmm...I'm not sure I would go that far. Who says that algae is a problem in the first place. We are the ones that have a problem with it and give it the title as bad. I think in the grand scheme of things, algae is pretty neutral. After all, we absolutely need it for our tanks to even survive (zoanthelle).
Dennis |
01/22/2011, 05:01 PM | #18 | |
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Quote:
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92g bowed corner tank, 15 gallon sump w/ phosban reactor + skimmer...live rock, chiller and heater, compact fl. lighting, sea swirl, 4 koralias, hermits, snails, sand-sifter stars, leather coral, Ylw Tang, Blk Domino, Clarkii Clown, Lawnmover Blenny, Aiptasia Eating Filefish, + Spotted Garden Eel. |
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01/22/2011, 05:35 PM | #19 |
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you should be useing some iron media for phosphate control. keep changing it out 2-4 weeks until phoshate is zero. a reverse flow reactor works well for this. a canister filter is not the best, you need to clean all mech. filters often and i see you said you put some phos stuff in your canister 1-2 months ago. thats not good. its like cleaning a sponge in an overflow once a month or two. i clean my sponge every two days or so.
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