Came home to this. A little help please.

abiteme84

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Still kinda new to saltwater. Came home today to find red fuzz growing on my rock coral and live sand. Also had my my green stat polyps die on me. Was fine this morning. Local store where I get everything said water test was great.
72ca7f16f9f5802f8d9153b29950df16.jpg
 
Tanks just over 2 months old. Prime hd light. It's in the lowest flow part of the tank. 1 power head and can't remember exactly what filters I have.
 
Still kinda new to saltwater. Came home today to find red fuzz growing on my rock coral and live sand. Also had my my green stat polyps die on me. Was fine this morning. Local store where I get everything said water test was great.
72ca7f16f9f5802f8d9153b29950df16.jpg
but to add on just search on this site for Cyano and you will find many threads on the causes and cures. We have all dealt with it and its almost like the hazing part of joining a frat.
 
How long has the tank been running? What type of filtration are you using? Lights? Flow?

Unlikely GSP would die in a day. More likely that the polyps just retracted.
This pic is a a week or so old. After fighting bubble algae.
12386ae16ea4f35d89cabef7809377ec.jpg
 
To get rid of cyano lower nutrients such as phosphate and nitrtate. You can do this with water changes, less feeding, gfo etc. Also more flow in that area would help too.
 
On your testing. I woul highly reccomend getting your own test kits. Knowing the numbers is really pretty important. Good is relative and also it's not a great way to track the changes in the tank over time. And your also trusting a bit the other person knows a lot. Sad that it's not entirely true in most cases.

Are you using rodi water?
 
Cyanobacteria. Congrats you're now officially a reefer!!!

no kidding!

Cyano is part of the process of getting a tank going. Yes you cycled, but it takes a good year for everything (including many types of bacteria) to stabilize. I set up my tank about 5 months ago and just saw my first cyano today. My diatom phase lasted several months. My parameters are spot on perfect for where I want my tank to be (nitrate = 1.5, phosphate = 0.02) but I still have cyano, and probably will for a month or two.

Read this
https://www.reef2reef.com/threads/must-read-for-planning-new-setup-cure-cycling.294017/

Then keep up on your tank husbandry. weekly water changes, don't feed too much, measure your parameters (nitrogen and phosphate) so you know they aren't climbing. cyano has grown in my previous tanks in very high flow, so I'm not sure that will help. manual removal and weekly water changed did help.

If it becomes a battle take a piece of air line tube and start siphoning it off each day. Eventually it will recede if your maintenance schedule is good. Brush it off your corals since it can irritate them. You GSP is tough as nails, but sometimes will retract. I would expect it to be out later today or tomorrow.
 
The red slime is cyano bacteria, and happens a few months into cycling a tank. Even with perfect parameters, blooms can still happen. Siphoning it out can help, but often it's back in 24 hrs. There are a couple of more drastic steps if you don't want to wait it out.

Turn of lights for 3 days. The cyano is highly photosynthetic, and 3 days of darkness will burn most of it out.

If you are desperate you can use Boyd chemiclean, or red slime remover. Both are very effective, but it will return until the tank is settled in more.

Patience, we have all been through it. It's part of establishing a new tank. Does not mean you did anything wrong.
 

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