red algae

  1. I

    Reddish brown algae with roots on sand, please help with ID

    I have a reasonably new 10 gallons low flow tank, just a return pump no wavemaker This project was intended to be a low maintenance tank, so I haven't been doing regular water changes -- I understand this may be a mistake with the amount of corals/livestock I have in there, but it's hard to...
  2. M

    Is this red algae? How do I get rid of it?

    I’ve had a 29 gallon Biocube for over 14 years. It’s been a reef tank the whole time and I used to put clowns and anemones along with a LOT of live rock in it but the anemones never lasted very long so I switched over to soft corals with just one small percula clown and a watchman goby. They’ve...
  3. K

    Glowing red algae

    I’m kinda a newbie been reefing since two years and two days ago I changed my lighting spectrum to be a little more blue and I found a red algae that is flouresing kindly help id it and any suggestions on what would eat it.
  4. J

    Annoying Red Algae

    Hi Everyone---I have this annoying red algae coating my corals and especially my sand bed...when I siphon it out, it gets sucked up in sheets....it started happening shortly after I introduced GFO...I don't know if they are related. Thoughts?
  5. T

    ID for this red Macro Algae

    Hello folks, Can anyone ID this red macro algae? And hopefully get some info how to best care either in 55 gallon tank with Fluval marine light or 10 gallon with Aquamedic light.
  6. Afkomjorgen

    Washington Live Goods Red Macro Algae - Gracilaria Curtissae, just pay shipping!

    Thank you everyone for your interest! We have enough takers for this batch and the next. Please message me if you would like to be added to a wait list since we need to harvest this macro every 3-4 weeks. Thank you! Gracilaria curtissae I’ve had this macro in my tank for a year and it readily...
  7. Afkomjorgen

    Red Algae ID

    Is this Gracilaria Curtissiae ? need accurate Id but I’ve been calling it Gracilaria. LFS calls it dragons tongue. And is anyone interested in taking some off my hands? We’ve already fully stocked our LFS and it just keeps growing! :) Side note: we keep a natural tank with pests such as...
  8. nomad6

    Need help with ID of red growth, cyano?

    Hey guys newb here, It’s only at the base of my Duncan and nowhere else and where it’s missing tissue. More visible under all blues, doesn’t blow off but scrapes off easily. Wanted an expert/pro opinion maybe @vetteguy53081 could offer some insight before I proceed with the h202 dip/ toothbrush...
  9. reddevilant

    String of Pearls Macro Algae

    This thread is for the general discussion of the classified ad String of Pearls Macro Algae. For more information about this item, please click the link or ask a question in this thread. Please add to the discussion here.
  10. K

    Need help id and treatment plan.

    This is my first saltwater tank and has been set up for 3 months now. It is a red sea 625xxl This problem started out looking like dino or diatoms. More brown in color with tentacle like balls of gas. I put an mp40 in the tank and the balls of air went away but the color turned more red and...
  11. reddevilant

    String of Pearls Macro!!!

    This thread is for the general discussion of the classified ad String of Pearls Macro!!!. For more information about this item, please click the link or ask a question in this thread. Please add to the discussion here.
  12. S

    Can anyone tell me what this is?

    It doesn’t look like cyano, it doesn’t come off when i rub it vigorously it feels kind of soft like a sponge.
  13. Hugo Garcia

    Help ID Algea

    Hello guys, I’m need some help to ID this Algea bloom in my tank. I had a lot of hair algea in my tank, so I did a fluconazole treatment, and it worked really well. Then I did a large water change, and after that I got this green algea all over the sand. I know my nitrates might be high, but...
  14. B

    Hello Red hair algea

    Red hair algae
  15. 99gtbaby

    Red slime algae?

    Started week two of my cycle on a 55 gallon tank, tank has 55lbs of sand, two bags were live sand, and about 40lbs of rock that was bone dry when put in. I noticed these tiny reddish brown areas on my rocks. My water temp is 80°F, ammonia earlier was 1, Ph was 8.1, nitrite was 2 and nitrate was...
  16. adamlodge14

    Red algae?

    Could anyone help to identify what this is? It’s covering my zoas and I’m scared it’s killing them! -15 gallon -cleaner shrimp, Randall’s pistol shrimp -pink streaked wrasse, Yasha goby -strawberry conch, nassarius, trochus -3 zoas, 1 leather, 1 mushroom, 1 Xenia and 1 Duncan -tank is 3 months...
  17. reddevilant

    New York WTB Looking for a variety of macro algae

    I'm looking to buy a lot of different types of macros to add to my collection in a 90g tank I started in January. I already have and thus not looking for: -Red Ogo -Red/pink galaxaura -Blue scroll algae -Red titanophora -Blue hypnea -Red king thorn -Botryocladia Occidentalis (red grape)...
  18. A

    Red

    I have this red growing On a good bit of rock is this normal? what is it?
  19. B

    Red algae ID

    Had some red algae pop up maybe a year after I bought a small piece of live rock. Have seen similar different species in ID threads but unsure. I think it's attractive and would like to keep it, just want to make sure it's not invasive or problematic in any other way. So far so good hasn't...
  20. CaribReef

    Please Help me identify and propagate this!

    Good Day! I have been growing this for years but only after moving to a new tank has this started to pop! now I want to propagate this algae to another side of the tank and I was wondering if anyone can help me identify and give me some tips to propagate this algae successfully
  21. S

    Which Algae is this?

    Hi guys Got some algae issues. But before I go ahead and do something about it I wanted to ask your help to identify the algae, so I am 100% sure. I think it’s green and red Cyano bacteria. But will be great if you can please help. Tank is about 3 months old. Cheers, Shiv
  22. M

    Green and Red Algae taking over ...

    Hi Guys, i need your help, my rock used to clean for the past 10months but last weeks i am starting to have a greener aquarium with some red algaes also. Photos attached, what should i do? What is missing? What have i done wrong? Many thanks Cheers Miguel
  23. M

    Anyone know what this is?

    The seller thought it might be Dragon's Breath but it doesn't really look like it to me.
  24. Captain Jack

    Please help, red slime algae or coralline?

    Can someone please help me identify this red algae? How do I get rid of it? It seems to be spreading fairly fast and starts out as a mossy looking growth with air bubbles coming out of it, I thought it was healthy at first... there are also tiny little white, or clear/transparent ant looking...
  25. Mike N

    Red bubble algae?

    Is it red bubble algae? I don't see it anywhere else in the tank.
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