algae

For some reason I have these in many spots of my tank, some are very large and some are small. Whenever I suck it up with a baster it smells putrid. Does anyone know what it is?

Hey guys, lately i battled against GHA pretty badly and got it over with, using fluconazole after a while. Now, Ive had this tank for well over a year, and of course as every tank, stuff that we’ve never seen before appears and it could be bad or good lol. Anyways I’ll be attaching photos of...

I think my fish would be happier if his tank was decorated with algae instead of plastic, but I don't know if I can do it inmediately or have to wait for the tank to cycle :( I'm pretty new in taking care of plants and all the algae I've tried to inmerse in the tank died, so I'm thinking of...

My reef tank has been setup for 9 months and Im still battling this horrible red algae. No matter how much I remove it just keeps coming back. My tuxedo urchin ate so much at first but not any more. The algae has wiped out 2 zoanthid colonies, covering them up in this red slime and wiping them...

Hey everyone! I was wondering if anyone could help me with identifying what kind of algae this is? I was wondering if it’s hair or turf algae maybe something else? My tank I still new only two months old now

Hey guys, New to the forum and to salt water aquariums. I have a ~6 month old tank and I keep battling algae that does not seem to want to go away no matter what I do. It looks like GHA, but I'm now wondering if it could be something else. My nitrate is 10ppm and my phosphate is 0.05ppm, so I...

Hello friends, I could use some advice. I’m about a year into being a reefer, and my tank is slowly, inexorably, being taken over by some kind of algae (it’s very fine long strings, consistency of hair). I’ve tried not to freak out about it, but nothing I’ve done has helped. It’s starting to...

I’ve got a new 92 total system volume tank set up and cycling since April 2023. Water parameters have been holding pretty stable: Alk 7.5 CA ~450 Mg ~1360 Nitrates are negligible The tank seems pretty clean except for this weird fluffy light brown/white algae substance that is growing on...

I’m new to salt water tanks and forums so I apologize if I’m asking this for the 1000th time, set up this tank two weeks ago using live sand and rock. This yellow stuff showed up practically overnight. I just got the test strips but my alkalinity and hardness are too high, everything else is...

This is the back wall of my 120g (lights are off right now).I’m fairly new, only started a year and a half ago, and this tank has been up for just over a year. Whenever I preform a water change, my girlfriend says she doesn’t want me to scrape the back glass because she likes the look of the...

This white branching algae (almost helpfully displayed on the old frag plug) has popped up in my tank in a few places. I wasn't too concerned about it at first, but it seems to be irritating my zoas and ricordea. None of my CUC seem interested in eating it. Any idea what it is? TIA.

Tank is about 6-7 months old had my first Diatom bloom 3-4 months in and it went away. Shortly afterwards water got super cloudy and GHA bloom came overnight. Added a UV filter to my sump and beat the GHA. Now I have Diatoms covering the whole substrate surface... when I first setup the tank I...

USED for about 1 year. This is the PaxBellum ARID n24 Algae Reactor. This is the best algae reactor money can buy. An absolute beast. Also very visually attractive. I bought this used, but it worked too well! Decided to go a different route as a result. Specifications: Recommended Aquarium...

Hi everyone! Newbie to keeping tanks and about 7 months in to owning! I love it and my tank is doing great except for this pest of an algae problem. I do weekly water changes and clean up the algae on the sand but it keeps coming back. Could it be diatomes? I’ve included 2 photos one with blue...

I've been fighting a losing battle with hair algae for close to a year. The tank is a JBJ 29 Gallon nano. My brother had it setup for years and stopped taking care of it and algae took over. Hair, bubble, caulerpa, it turned into a refugium more than a tank. He finally broke it down and it sat...

Hi all, I recently have been trying to figure out a way to use an ultrasonic transducer to clean off year old coralline algae that is incredibly strong. Normal plastic scrapers don’t do the job and metal ones will cause scratches. Attached is a video of a test I did using a handheld dental...

Mods please delete this post, wrong forum.

Hi all, Here's a picture of our 4 month old tank at the moment. We have a lot of brown going on and I'm trying to figure out whether it's diatoms or dino and whether I should intervene or accept this is part of the ugly stage and let it be? We have corals in there so don't want them to be...

is this stuff just hair algae or something i should be worried about

I've had a huge buildup of green hair algae on the back glass of my tank. I scraped all of it off, and added some snails to keep it in check. I've noticed that the algae growth on my live rock and sand has gotten a lot worse, and the snails/hermit crabs don't seem to be helping. Any ideas how I...

I've had a Fluval 13.5 for exactly 1 year now. 6-8 months in, the tank was thriving. 2 snowflake clowns, several corals, inverts. On month 9-10, dinos hit. I mostly kept it under control but not before losing a few corals. Inverts died off quick and anything new I added was dying instantly...

Chaeto with pods and no pests. Sandwich sized bags for $25 shipped anywhere in the USA or $20 picked up in NYC Free Reefer_NYC sticker with purchase =)

Hello everyone, I've had the tank running for a year and I had a crazy high Phosphate 4 months ago. Hannah checker did not even read it as it was royal blue.(200+). Started running gfo and made water changes weekly. It got to a readable amount and ive gone as low as 40 on the checker but im...

Every few days my back wall is covered in these things & in a few small random sections of the tank and sump. They stick on as well. Is it a bacteria or something more sinister.

Hi everyone, recently I started seeing these red spots, then noticed these hair-like strands waving from my rocks, can anyone help point out what they are? They look a bit like cyano but I don’t know for certain. Thanks!