green hair algae

So I did the reef flux after doing a 30% water change yesterday as I was instructed by LFS and I came home today to my snails being closed up my pin cushion sea urchin scrunched up not happy, my six line wrasse was swimming like a zombie walks idk how else to explain it and my huge cleaner...

Hi everyone, my fluval evo 13.5g has been set up 9 months. 2 months ago I added a new large piece of dry rock. The last 4/5 weeks I’ve had hair algae on that rock. It was pretty bad but managed to get rid of most with flux RX. However all my parameters are good. Phos 0.05, nitrate 9, alk 8.1, ph...

A couple months back, I made a big mistake of putting unfiltered tap water from my bar sink into my reef tank because I was being lazy, and while nothing happened immediately it eventually messed everything up in my tank. As a result I got a massive bloom of green hair algae and dinoflagellates...

Hey all. I'm trying to decide what to do, if anything on my tank thats going through the "ugly phase" and a big bloom of green hair algae. It's covering everything pretty much see attached pic. I have about 13 coral frags introduced in the past week or so plus a couple clowns and a damsel. I...

I have a question I had really bad Gha and Cyno and the Gha I've had For the most part, it has always been an issue. So this is the question I was going to town on the Gha clipping it and using a tooth brush to go at it. And as I've been doing this for a while I decided to use Chemiclean to...

Ive been battling a persistent algae problem since November of last year, and nothing I do seems to get rid of it. Heres what Ive tried so far: 1. Weekly water changes 2. Manual removal - scrubbing and brushing rocks 3. Nutrient reduction using NoPox to bring levels super low 4. Sea hare -...

First post here, been in the hobby for 8 years and I’ve done tons of research on this topic. I’m at a loss and don’t know how to get rid of this hair algae. Not sure what I’m doing wrong. Dosing 20mL All for reef daily I am dosing phosphate RX (Lanthanum Chloride) when phosphates read high...

Hey all, I've been fighting what I thought was green hair algae for quite awhile. There are some areas it's growing rather thick, almost like bryopsis. Can anyone identify? I thought bryopsis felt firm this still feels very hairy and soft.

Watchman is getting more and more brave every day

Hello, all I have had quite the GHA algae that just keeps coming back I am waiting on more test strips to get a better idea of why it keeps growing so bad. In the meantime what does everyone recommend for LONGGGG GHA like 3-4INCH I have big Mexican Turbos, Smaller turbos and the algae on the...

I have always wanted to get into saltwater tanks had a bunch of freshwater from imported flowerhorns to a big Rubbermaid with motoro stingray and catfish but never took the dive but October 2023 I took the dive after being out of keeping fish for 4 ish years after tub crashed from dead fish...

Hi! First of all, I would like to thank you all for your help! Whenever I have a problem with my tank, you help me solve it ASAP! Now to the issue: In the past few days, I noticed that a white spot appeared on the top of my clownfish. I have no idea what this could be, so I want to hear your...

Hi guys I'm having a problem with GHA and I'm trying to fix it with Flux Rx. I've dosed it Friday October 25, and I'm still not able to see any changes in the algae color or their root strength. Does anyone have any experience with this product and how it will work with GHA? On the back says...

Fast growing corals can save your tank....when I started reefing I read a lot of blog posts...and many warned of the dangers of green star polyps and pulsing xinia and the sort taking over your tank. I think this does a disservice to new reefers....here is why. Fast growing and easy to care for...

I have had my 25 gallon tank running for 11 months now. The rocks and back of the tank have a lot of green hair algae and I have been trying to get rid of it. I have kept feeding to once per day I have a protein skimmer. I have a variety of snails and a urchin which has helped a bit with also me...

Hello everyone, I have a 75 gallon tank that has been set up for three going on four months now and I am currently battling some pretty nasty green hair algae. I completely understand. There is the ugly stage however it seems like the ugly stage has not given up once on my tank I constantly...

I’m looking into doing a 3 day black out to try and help with hair algae. I have corals and 1 anemone in the tank. Does blackout mean all lights off for 3 days or just on a low setting?

I have a 125 reef tank with 35 gallon sump with an undulated moray, miniatus grouper, and picasso triggerfish. My cleanup crew consists of a handful of turbo snails (was around 20 now much less because of the triggerfish) and a horshoe crab and chocolate starfish. I have had much luck with many...

Hi folks, Trying to figure out my next course of action. The past 1-2 weeks I've started to see a rapid growth of what appears to be Cyno and a certain type of algae which I'm unable to confirm exactly what kind, still new to all this. I'm currently doing a 72 blackout to see if that helps...

In the past, I’ve typically kept my refugium livestock free, only having macro algae in it. Right now however, it’s being overrun with green hair algae. You can see I literally have GHA growing on my chaeto. I was thinking about placing a Pincushin Urchin in there to clean up some of that...

Hello Everyone, I had posted this issue in the algae forum but after some investigating and discovering new phone camera features... I am seeing an obscene amount of copepods everywhere... in water, on rock, glass, substrate. This seems alot more than normal. Since I have a Mandarin and am aware...

Hello folks there is some green stuff on my corals and my lice rock. Can you help me recognize this? And aslo does someone know if ot is harmful and how to remove it?

Hi all! I recently had a massive GHA or BHA? that I´m trying to control. But I noticed a neon algae between the Hair algae. I don´t believe its coraline since it seems hair-y like. Any ideas on what type of algae this could be?. My tank is a 15 gal running for 4 months now. Corals seem doing...

Hello, please excuse my English, it's not my native language. I'm seeking your help to obtain advice on improving my fight against derbesia, also known as GHA (Green Hair Algae) in English. Currently, my aquarium is equipped with a DSB (Deep Sand Bed) without a sump or skimmer, and I'm facing...

I tried manually picking off, buts it’s hard to get then used reef flux. But it didn’t work. Please help.