nuisance algae

  1. T

    Help with algae

    Hi was hoping someone can help with identifying this algae? I’m having a little algae problem plan on getting more cuc this week. Got a little bubble algae but can identify the rest hoping for some help
  2. A

    Help identifying this spiderweb algae!

    Hi all, Can anyone please help identify this algae growing in our tank that has gone absolutely crazy over the last few days. It's like a spiderweb and it's smothering the corals. What can I do to get rid of it!? We have just finished treating the tank for bryopsis and it was looking great...
  3. NatReef

    Alkalinity extremely high (14+)

    Hello , I have some serious kh problems over the past 4 months my alkalinity stays above 14 at all time even after wc. But ph is 8.2 My wc water is 8.7 kh And at this point I don’t know what to do or lower it Have tested with Hanna checker dkh Salifert kh Waterbox pen 25 Eheim 75 w...
  4. P

    microalgae bloom help with ID . potential dinoflagellates? with microscopy images

    Ive been having a small outbreak of a Dinoflagellates like algae. Its brown and looks slimy, and as it gets bigger/ longer it producers a bubble at the tip. It grows very fast and I end up siphoning the visible chunks every few days so it doesn't grow over the corals. It seems to irritate most...
  5. K

    Need help identifying this algae

    Hi there, I seem to be having a slight bloom of algae in my tank. It looks red in my tank which makes me believe it’s cyano but it’s not like slimy, more like hair algae. I have included a picture of the algae under the microscope and what it looks like under white light. Let me know if anyone...
  6. S

    Help with getting rid of algae

    Algae outbreak after getting some new coral. The corals were dipped but it spread anyway. This alage is a brown color. It is long like gha. I have tried using reefflux and chemiclean. I lowered lights, turned off whites. Nothing seems to kill this. Fish won't eat it. I've been reefing for 14...
  7. alexytman

    Bryopsis or something else?

    I used to have bryopsis and I got rid of it using this white medicine powder from LFS. However I can't seem to get rid of this different species and it's overunning the rockscape. I don't have much CUC left and need to get some anyways but if it's bryopsis I don't know if it'll help anyways. I...
  8. K

    Need help with my tank…bad algae bloom

    So, I went to visit some family for a month and had someone working at my LFS help me with my reef tank. Unfortunately, when I came back to my apartment, my reef tank was a complete mess (probably need to restart potentially). Tank: 32 Biocube Livestock: 2 Clownfish 1 Snowflake Eel (small)...
  9. J

    Help Please! - Beginner - Algae Issues in 6 Month Old Tank

    Hi All, I currently have a 6 month old tank that is going through an algae outbreak. I know this is to be expected in a newer tank, but need advice on what I should be doing to mitigate. I know 0 nitrates and 0 phosphates is not good, but I don't know if feeding the tank more will make the algae...
  10. Shiva

    Help! Nuisance Algae ID please!

    Hi everyone, So I’ve had this reef tank setup for slightly over 6 months; I had everything transferred in from my old tank 6 months ago, and for some reason I’ve had wave after wave of this algae come in. It’s a think jelly-like substance that’s formed on the rocks and sand bed. They don’t...
  11. VanCityReef

    Please help identify this nuisance algae! Rapidly taking over my tank

    Went away for a week and came home to this completely taking over my sump. Protein skimmer working very hard. Used up half my reef mat in 3 days. It feels very slimy and comes apart quite easily. The consistency almost feels like slime around a piece of string, but the second you touch it, it...
  12. dumroll

    Identification and solution. Bryopsis? Cladophorosis? Something else?

    Hi R2R Team, I've been battling a nuisance algae for a little bit now. I initially thought it was bryopsis but have tried fluconazole with no luck. I have tried manual removal which will remove the amount initially but always comes back. I have also implemented reduced feeding by reducing total...
  13. PeterReefer

    Hair algae, started dosing GFO

    I have been battling hair algae for a couple months now. Basically, target vacuuming up from the rock work, but it is getting out of hand due to high phosphate levels. so, I started running GFO in a reactor, but now I have cloudy water. Is this normal?Does this eventually run clear?
  14. B

    Algae ID‼️‼️

    What’s up everybody, just have a quick question. I am battling some sort of algae on my sand bed and have been for a couple of weeks now. They are like thousands of little individual balls of green algae, and I can’t find anywhere on what they might be. There is a ton of them and I do not know...
  15. B

    HELP!!!

    Hello everyone, I have been struggling with this algae in my sand bed for close to 3 months now. I haven’t had much other problems with any other algae besides hair algae, but I got most of it gone. I have no idea how to get rid of it. It goes away for 2-3 days and shows up again. I do biweekly...
  16. B

    HELP ID’ing!!!!!

    Have a couple of these little green looking bubble sacks on one of my rocks. They have a hard shell it feels like. Just wondering what they might be.
  17. K

    ID on algae

    Hello, I've went fallow on my tank for a couple months due to a velvet outbreak. During this time I started to get some GHA throughout the tank and it slowly turned into this webby reddish algae. I was thinking about getting some fish soon since the velvet is more than eradicated by now, but I...
  18. K

    Can someone please ID this algae?

    Hello, I've went fallow on my tank for a couple months due to a velvet outbreak. During this time I started to get some GHA throughout the tank and it slowly turned into this webby reddish algae. I was thinking about getting some fish soon since the velvet is more than eradicated by now, but I...
  19. H

    What is this brown slime?

    No bubbles in this stuff except when matted on algae. It is a fluorescence orange when under blue light. I'm stumped and thinking it's cyano or maybe some kind of dino. any help is greatly appreciated
  20. P

    Brown Algae ID

    Over the last few weeks, I have seen a new algae outbreak and I’ve been unable to properly ID it. It seems to be encrusting and does not come off with a tooth brush. My CuC doesn’t eat it. My LFS suggested a pinchushion urchin, but I’m wondering if there’s an alternative. I don’t want the...
  21. M

    Growing everything except the chaeto!?!?!

    Hey all, new to both the forum and reef tanks. Long story short, ‘rescued’ a 125gal tank from someone with some rock, sand, livestock. Person was running an fluval fx6 as his only means of filtration. Got everything home and running and put the fish into a tank transfer/quarantine cycle for...
  22. Jakewareham

    Bryopsis, need suggestions on treatment with fluconazole, Help please :)

    So I've been in the hobby for 3 years, I have a 90 gallon mixed reef that has been very successful. I recently started up a 13.5 fluval evo nano, I used all established live rock from my 90 gallon system sump. The tank inhabits 2 clowns, an urchin and a narcissus snail, plus a few zoa frags...
  23. A

    Green Algae ID and help

    Hello Everyone, can somebody please help me identify this algae. It’s really bushy and waves in the water flow. It’s growing on the back glass as well. Any idea if this is green hair or turf algae? What’s the difference? Any ideas to bring this under control? I added a Torchus snail and a...
  24. Alex's Nano Reef

    Algae ID

    Over the last few day ive started to notice some algae starting to grow on the rocks looks a little red/brown anyone got a ID
  25. R

    [PICS & VIDEO updated] : Help me identify this algae?

    Can someone please help me identify this nuisance alage I am having for the last 2 months now. I have an established 5year old SPS dominant system. My Nitrate is between 0-5ppm and my PO4 is 0.04 checked with Hanna URL checker. All the inhabitants of the tank are doing good. VIDEO:
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