reefer newby
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Anyone know what this is on my rock in the center of the pic? Looks like it has bubbles in it.
what is this on my rock ?
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howaboutme
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Looks like cyano.
Genesis Corals
Genesis 1:21
+1, Very common in new tanks, which I am assuming based on the color of your LR.
reefer newby
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Yes the tank is about 4 months old now. What do I do at this point?
howaboutme
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Very common at about the 4/5 month mark. I am going through the same, though probably at the tail end. This is what I am doing:
Not in any order:
1. Increase flow in that area (not sure if this works really)
2. Increased water changes (every 3 or 4 days) and doing heavy siphoning of the sandbed and scrubbing/blowing of the rocks.
3. Use a turkey baster to get any leftover cyano out or use it between water changes if you want.
4. Feed less (most important)
5. Cut light schedule by at least 1 hour, more if you can (most important)
6. I also did lights out and no feeding for 3 days while on vacation and all of the cyano went away. It did come back recently in a smaller scale but it did get me ahead of the game.
Our tanks are maturing..letting the beneficial bacteria catch up. Everyone I know has gone through this and w/ good husbandry, it will just go away one day. Key is to get your PO4 lower and since cyano is photosynthetic, you need to strike a balance between keeping your corals happy and not giving the cyano light.
Good luck!
Not in any order:
1. Increase flow in that area (not sure if this works really)
2. Increased water changes (every 3 or 4 days) and doing heavy siphoning of the sandbed and scrubbing/blowing of the rocks.
3. Use a turkey baster to get any leftover cyano out or use it between water changes if you want.
4. Feed less (most important)
5. Cut light schedule by at least 1 hour, more if you can (most important)
6. I also did lights out and no feeding for 3 days while on vacation and all of the cyano went away. It did come back recently in a smaller scale but it did get me ahead of the game.
Our tanks are maturing..letting the beneficial bacteria catch up. Everyone I know has gone through this and w/ good husbandry, it will just go away one day. Key is to get your PO4 lower and since cyano is photosynthetic, you need to strike a balance between keeping your corals happy and not giving the cyano light.
Good luck!
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reefer newby
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Would it hurt to take the affected rock out and scrub it off ?
howaboutme
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Sure, if that makes it easier to clean but it won't stop the cyano from growing back. Cyano is caused by the nutrients in your tank.
I started to see noticeable differences in 3.5 weeks..I'm at about 6 weeks now..You have to be patient. Nothing good happens fast in this hobby.
Is it fish only? I would just turn the lights off a few days, feed a little less, do more water changes for a while.
No reason to remove that rock to scrub off Cyano, just hit it with a powerhead. Might give it a wave of your hand to remove it. Get some flow going on in there.
ajwalker261985
Active Member
That's what I did..I just cut my light hours down from 12 to 8 hours a day and syphoned cyano out and now I been free of it for about a week,plan to also increase flow and have been feeding less to make sure it doesn't come back.
