Red Algea

I'm still getting red algea. I can't understand why when all my reading are good.

PH 8.2
Nitrate 0
Nitrite 0
Calcium 400
Iodine .06
Alk 4.0
Salinity 1.024

I switched to RO water and stopped feeding. Turned light off for a few days do water changes and I'm still getting red algea. Any ideas of what else I can try?
 
post a pic if you can so we can be sure.

If it is cyano and you are getting desperate, you can get a product called chemiclean and that is reef safe. Your corals will be pissed at your for about 3 days, but they will make it. Be careful though and not use it too much, cyano will eventually develop a resistance to chemiclean and it will no longer be effective. The first time you try it, your tank will be clean in about 2 days. Vacuum up as much cyano as you can before adding it to the tank.

I also would add phosguard to your sump (if you have one) to reduce the phosphate levels in your tank.

-Dr Marco :sfish:
 
Took me awhile to figure this out. Hope this is right.
Redalgea2007.JPG
 
that is not any cyano that I have ever seen. Looks like coralline algae to me. Nothing to worry about. That is the stuff you want covering your rocks.

-Dr Marco :sfish:
 
Piggy,
That looks like cyno.When you do a water change,vaccume as much of out as you can.Cut back on feeding,switch to frozen foods if you havent already,and try going 2 or 3 days with the lights off.
 
ya think? I have not seen that color before. I guess it could be. my mistake if it is cyano. listen to Yote if you are worried, especially if it comes back fast after you vacuum it up.

-Dr Marco :sfish:
 
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