Green hair algae or coralline?

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RyanC

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is this rock covered in coralline algae or hair algae? Hermits, snails and emerald are always on it but it doesn’t go away or look like they are eating it at all. No hairs on it either. TIA

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Yes it looks like green coralline for me. it is a part of algae cycle you will face in your tank. first this green algae appear then will be followed after a while with red and purple
 
Green algae, looks like the system is newer?

Check you phosphates and nitrates. If this is a newer system this is natural and by adjusting feed/nutrient one can get issue under control:)
 
It is new, 11 weeks. I had red slime 7 weeks ago so I already pulled back the light schedule and feeding. At that time no green algae but now under the lower conditions, it’s growing. I tried to blast it with Turkey baster like I did to figure out the red slime vs red Coraline and it doesn’t budge. None of the CUC crew are getting it off either and I have atleast 2-3 hermits on it at all times and the emerald I just got has taken a liking to it but it even though I see them on there it doesn’t look like it is getting removed whatsoever. I’m not to worried, it’s just on the rock and hasn’t spread anywhere else and the rock it like an inch away from the glass. I know coralline is good and hair is bad so I just want to figure it out before it gets too out of hand so I can take care of it.
 
It is new, 11 weeks. I had red slime 7 weeks ago so I already pulled back the light schedule and feeding. At that time no green algae but now under the lower conditions, it’s growing. I tried to blast it with Turkey baster like I did to figure out the red slime vs red Coraline and it doesn’t budge. None of the CUC crew are getting it off either and I have atleast 2-3 hermits on it at all times and the emerald I just got has taken a liking to it but it even though I see them on there it doesn’t look like it is getting removed whatsoever. I’m not to worried, it’s just on the rock and hasn’t spread anywhere else and the rock it like an inch away from the glass. I know coralline is good and hair is bad so I just want to figure it out before it gets too out of hand so I can take care of it.

I have been fighting the cyano battle for years. It comes and goes. I have used cleaner and though they work great, they throw the system back into a mini cycle since they are a antibiotic and kill some of the good bacteria;) I could dose a cleaner again, but I am looking for the cause and treating without a cleaner with just adjusting my export through water changes and media.

The same goes with any other algae with to adjust what one is doing. Lights I have found only really affect the diatoms but cutting back the white spectrum. Cyano love phosphates, green algae is a sign of high ammonia which turns into nitrates. The high ammonia is caused by to much raw food and die fish, and turns into nitrates. Nitrates can also be caused by the fish waste. Balancing the system can be frustrating but once you're in the grove your tank will look great.

I know coralline is good and hair is bad so I just want to figure it out before it gets too out of hand so I can take care of it.
This is were a health clean up crew will mow through green hair and other algaes. Figure one snail per gallon. My tank will be for years old at the beginning of 2019 and I need to replace some of my clean up crew. Not to much but a couple.
 
I have been fighting the cyano battle for years. It comes and goes. I have used cleaner and though they work great, they throw the system back into a mini cycle since they are a antibiotic and kill some of the good bacteria;) I could dose a cleaner again, but I am looking for the cause and treating without a cleaner with just adjusting my export through water changes and media.

The same goes with any other algae with to adjust what one is doing. Lights I have found only really affect the diatoms but cutting back the white spectrum. Cyano love phosphates, green algae is a sign of high ammonia which turns into nitrates. The high ammonia is caused by to much raw food and die fish, and turns into nitrates. Nitrates can also be caused by the fish waste. Balancing the system can be frustrating but once you're in the grove your tank will look great.


This is were a health clean up crew will mow through green hair and other algaes. Figure one snail per gallon. My tank will be for years old at the beginning of 2019 and I need to replace some of my clean up crew. Not to much but a couple.
I got 9 snails, 6 hermits, a fire shrimp, brittle starfish and and emerald shrimp so far for my cleanup. Tank is 40 gal but other than CUC only have 2 clowns. About 2-1/2-3 weeks ago I had an ammonia spike and found that I had lost 3 hermits (added more since), a cleaner shrimp and an emerald crab (replaced that as well). I battled the ammonia spike for about a week but I’ve gotten it under control. I did 4 25% water changes in that week and replaced two of my media boxes with live rock rubble rather than the phosphate/nitrate sponges they had in them. I used a bottle of Fritz turbo to build my good bacteria up and started dosing NoPox. Between the dead inverts and me using tap water to clean my media boxes, after thoroughly researching and talking with my LFS guy, this seemed to be the best option. I have an Aquatop Recife Eco 40 gal, so it’s a plug and play rather than having a sump. My parameters are back to being steady, nitrates were at 40 and after I started the NoPox, they are down to 10-15. Ammonia is 0, nitrites are 0, Ph is about 8-8.1 and salinity is around 1.022/1.023, starting to raise that up by tipping off with pre mix salt till I get to 1.025. I also took the filter sponge out and replaced it with a lufa and dumped a bottle of Tisbe pods to see if I can start a culture of them in my tank. Still unsure about if I want the lufa or if I will get some cheato instead. I’m hoping with the new additions to the clean up crew and the pods, it will start eating the algae away
 
I had this when my tank was about that old. Went away with time, you can also shorten the lighting cycle.
 
If it’s hard and doesn’t scrape off it the precursor to corraline.

Stability.

Donine thing and keep doing it.
Make changes slowly.
Adding a bottle or a method or changing the lights is not stabilizing.

The tank will stabilize to what you do. The bio filter will catch up to waht you put in. You just have to be patient and let it. It’s a colony of living organisms and change is slow.
 
Did you ever figure out if this was coralline? I'm having the exact same thing happen.
 
My tank is 10 weeks old and in one day all my dry rock turned green just like yours it's not coming off with a toothbrush either
 

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