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Thread: Algae or something growth in my tank (split thread)

  1. #1
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    Algae or something growth in my tank (split thread)

    I had a little bit of stuff growing in the tank before, did a water change yesterday and woke up to stuff all over the place... It's not dino is it?

    Algae or something growth in my tank (split thread)-20150711_090900-jpgAlgae or something growth in my tank (split thread)-20150711_090907-jpg
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    BS Bulldozer SubRosa's Avatar
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    Your mess looks like slime of some sort. Practically all corals and many inverts will produce slime in response to irritation, and things as simple as using freshly mixed saltwater or even pouring water over them roughly can irritate them enough to cause them to slime up in response. It should disappear within a day.
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    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    Thanks for chiming in! Hmm, I really don't have that many in there yet (they're in QT still)... This stuff is all over the sand and rocks, not just in one spot.
    maybe this helps better than pictures do...

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    swords's Avatar
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    I never saw any of that slimey stuff in my old saltwater tank with some live rock but I looked up "stringy slime in reef tank" and a lot of posts state it could be bacterial strings which are exacerbated by trapped food or waste or nutrient producing particles and should be siphoned or brushed / collected off the rocks as best you can. One poster claims it can clog up your skimmer if not collected.

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    Chief Cat Behavior Specialist Knuckles's Avatar
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    Hi Andrew,
    I had been hoping for an update! Although, sorry to hear that its not a particularly happy 1. lol
    SubRosa is correct in that many corals will produce this mucus but I do not see nearly enough to account for what you are experiencing.
    What you have there is red/pink slime algae. Yes, it can spread overnight. Its time to take out your test kit.
    pH?
    Alkalinity?
    Nitrites?
    Especially Ammonia & Nitrates?
    I wouldn't worry about calcium or other elements here.

    What is your water source? Was the mixture aged for at least 24hrs & what SG is it now? What temp is your tank at now & do you toss in a heater to allow for an easy transition on inhabitants & = your tanks temp.
    The issue is either a bad water source or that something big definitely died overnight & is hidden under a rock. Or possibly that many small organisms died. Possibilities 2 & 3 may all be due to possibility 1.

    What does your cleanup crew consist of?
    After testing start another batch for water change from a good source & allow it to sit for 24 hrs min. I prefer a few days to a week. I also never change more than 1/3 water in 1 shot. Upon this 2nd water change test for ammonia, trates, temp, & sg. Check for dead inhabitants. Use an ariline tube to vacuum up as much as slime as you can.

    1 more thing: sometimes hitch hiker sps corals will send out these strands so also look carefully to see if the slime is growing everywhere or only coming from certain corals that blend in well.
    Last edited by Knuckles; 07-11-2015 at 04:25 PM.

  6. #6
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    Hello! I did take the numbers down earlier today... Here are the results:

    PH 8.07-8.28 (24hr low to high)
    Salinity 35
    phosphate .25
    ammonia 0
    nitrate 0
    alkalinity 3meq/L 8.4dKH
    tank temp 79.3-79.8 (24hr low to high)
    ORP has been steady the past 7 days (except for the dip with the water change, and today's higher than it was reading which is normal after a water change) which makes me not think anything new has died in that time.



    Water source is RODI water stored in a new Brute garbage can on the porch. It is transfered into a large plastic barrel next to the tank and mixed with RedSea coral pro salt and circulated and heated for usually 3 days, this time I only got about 31 hrs on it.
    Edit added this line: OH! I do 22 gallon water changes, and my complete system is somewhere around 140 gallons.

    Cleanup crew is 3 different types of snails, hermit crabs, arrow crab, peppermint shrimp and diamond goby (if you want to count him) I've not seen my cleaner shrimp or lawn mower in a couple weeks now- I had battled dino pretty heavy and I assume they didn't make it through the ordeal of that. But I've never seen their bodies. This is also where I believe the phosphates are from, I used DinoX to kill that stuff, and put a reactor of charcoal and GFO on there after the water chage as instructed by dino-x (refreshed at yesterday's water change) but I guess it didn't suck it out fast enough.. Probably should have used the phosphate sponge to suck it up faster...


    I do keep a pretty decent QT going, so everything (except the newest addition seen in the video (white tail bristle tooth tang) since he was too big for it) is inspected pretty well. So I don't think any hitchhikers have made it in.

    I think that answers all your questions 0_o
    Thanks for the help!
    Andrew
    Last edited by adnedarn; 07-11-2015 at 05:39 PM. Reason: added amount of water change
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  7. #7
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    I have some of the mixed salt water still left, did you still want me to test all those again on the fresh water? :-\
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    Chief Cat Behavior Specialist Knuckles's Avatar
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    Glad to help solve this

    Those are very good parameters & I was actually expecting to see some readings on ammonia & nitrates. Lol They're perfect! I've never attempted at ORP control. For salinity, 35ppm would be about 1.026sg so thats also fine but being on the high end really only benefits a heavily stocked reeftank. Do you use a hydrometer, tds meter, or refractometer? Make sure they're rinsed with warm water for accurate readings.

    Glad you already started running charcoal which was going to be my next recommendation as well as changing/cleaning any mechanical filter that you may have. For a 140gal a small death would not account for an over night algal bloom of that magnitude. I watched the video again & realize you did say its everywhere not just localized growth. A slow increase in growth can sometimes be accounted to overfeeding or lights that need to be changed; but, an overnight bloom is always a result of some sort of die off. This may be due to a few things. Both beneficial bacteria & natural growing plankton in the water column may have died due to temperature &/or salinity shock right after the water change. 22 gallons is a safe amount of change but if the difference in the new water was vast it might have made for a quick massacre of the more delicate inhabitants. A salinity reading when the salt is first mixed is inaccurate & needs another reading & possibly more salt or water after a day or so. Another option could be that a contaminant was introduced during the change somehow (Not as likely though because I'm sure you have good practices that you've been doing for while). Another option is flow. If one of your pumps was clogged this will quickly lower the water quality as far as oxygenation & temperature & cause an overnight bloom. This can be as simple as some snails deciding to go clean around the intakes of some pumps so its good to have many.

    What sort of circulation do you have going? I would definitely increase flow or create better flow to prevent any dead spots on the sand &/or rockwork as well as vacuum up some of the gunk on another partial change if its not gone quickly.

    The 5 must have snails in my cleanup crews (along with others) are these: a few turbo snails, a few trochus snails, a few nassarius snails (carnivorous snails great 4 big tanks b/c they will be the 1st to cleanup a dead inhabitant), mass numbers of cerith snails, mass numbers of astraea snails (another smaller type of turbo snail). I think I saw a trochus in your vid or might have been an astraea. Hermits are good but blue-leggeds will always grow up to be snail murderers. Ceriths and astraeas will eat green hair & red slime contrary to what you may have heard.

    Thats all I can think of at the moment but I may add more info if it comes to mind. I hope that helps narrow things down at the very least since everyone's tank is different.
    Last edited by Knuckles; 07-11-2015 at 08:38 PM.

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