The Cyano battle...
The Cyano battle...
The tank made it through the storm nicely, I didn't loose anything. But then this showed up:
And Let the battle begin. :uzi: I wish I took some picture of how bad it got, but lets just say everything in the tank was covered in cyano. For about a year I battled it.
My bio load was low, nitrates 1-2ppm or less, phosphates about .15ppm or less, PH steady at about 7.9. So why did this show up?
I think there are a couple of reasons. But ultimately I think it was bio-pellets that caused the problem. After the tank was running for about a year and nitrates started to come up, I decided to give bio-pellets a try. So I added about a cup to a vertex reactor and then set an easy flow, enough to keep it tumbling, and just left it run for two months. Then wham, cyano

. I kept using bio pellets, I didn't want to change things just yet. But I siphoned all the cyano out and did a lights out routine. About the same time, for some reason I thought my powder blue tang got ich and I noticed my hippo with what also looked like ich. This really annoyed me because all my fish were quarantined!! So I decided to try and catch all my fish and quarantine again which meant I had to remove most of the live rock and corals. Well that was a really bad idea, it stirred up detritus that then caused an algae bloom. So now I was fighting cyano and hair algae. And in the end, my fish didn't have ich, they were fine, except I did loose the powder blue tang to something.
Here is shot of the PBT in quarantine.
So back to the Cayno war :uzi: ; It kept getting worse, so I killed the bio pellets and then started dosing Dr. Tim's re-fresh and then waste away. It actually worked. As directed by Dr Tim, I continued to use it even while it was gone, but then it started re-appearing. So siphoned the cyano, increased Dr. Tim's waste away dose and repeat. Cayno gone again for a couple weeks, then slam, it's back again even worse. So the cycle for some reason just kept getting worse and worse. In the end the cyano took over the tank and I lost a lot corals. I think the strain of cyano I had developed a resistance to Dr. Tim's treatment, hence why it came back stronger each time.
Ultimately I blame the initial problem on bio-pellets. But then it was my fault for not recognizing that the cyano was most likely building up a resistance to the Dr Tim's waste away treatment. That combined with not being able to keep up with the problem while I traveled for work and what not, I finally lost the battle. I pored myself some burbon, and accepted defeat--temporarily that is...:lol2:
The other issue I think I had was the use of pukani rock. I think that kept leaking a small amount of phosphate, plus the lack of coralline meant there was not enough of the good algae to out compete the bad. I am actually probably going to sell the pukani if anyone is interested. I have it in a 60 gallon container and it is still good rock that is alive. I am treating it with lanthum right now and monitoring PO4.