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Unread 07/12/2020, 01:25 PM   #1
maik1
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Red slime algae Cyanobacteria

It's back! red slime algae/cyanobacteria.






All on one piece of rock. Now what? I hate to use Chemiclean. It works but the water changes and baby sitting the skimmer for hours after. Anyone have a better idea?

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Unread 07/12/2020, 05:29 PM   #2
Vinny Kreyling
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Remove & bleach dry in the sun for a couple of days then return.


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Unread 07/12/2020, 06:30 PM   #3
Uncle99
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Just one rock?
If you siphon that out, does it just come back.
Good flow there?
Whenever I had just one spot, just sucked it up and increase the flow to that spot.

Not a big rock, I might just toss that one.

Chemically it works, but some collateral damage possible.
For me, 1/3 coralline on glass disappeared, two weeks after use.

Tank looks great, do the least possible.


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Unread 07/12/2020, 08:54 PM   #4
A Aaron
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Yeah chemiclean always killed a couple of my corals so I would try anything else first. Use that as last resort.


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Unread 07/13/2020, 10:44 AM   #5
Michael Hoaster
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For an isolated patch like that, I'd pull the rock out and thoroughly scrub it down with a steel brush and high-pressure spray. Then put it back in.


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Unread 07/16/2020, 07:38 AM   #6
Sk8r
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TUrn off tank lights for 3 days (and draw room curtains if you can) then 1 day of twilight if you have corals---then full lighting. Be sure your skimmer is operating well, because it will take up the dieoff: essential. If you do not have a skimmer, do a 20% water change. Tod this again in a month. And yet again in another month if you get a recurrence. This treatment is gauged to resemble the passing of a big wide storm on the reef, and is a natural method that will not harm your corals.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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Unread 07/19/2020, 12:10 PM   #7
maik1
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Quote:
Originally Posted by Sk8r View Post
TUrn off tank lights for 3 days (and draw room curtains if you can) then 1 day of twilight if you have corals---then full lighting. Be sure your skimmer is operating well, because it will take up the dieoff: essential. If you do not have a skimmer, do a 20% water change. Tod this again in a month. And yet again in another month if you get a recurrence. This treatment is gauged to resemble the passing of a big wide storm on the reef, and is a natural method that will not harm your corals.
This is after lights out for 5 1/2 days.



looks clean to me.
Thank you for your help!


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Unread 07/19/2020, 12:22 PM   #8
Sk8r
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Get the lights back on, now, and be prepared to do a 3-day once a month untii you get rid of it. Cyano feeds on light, carbon (everything living has it, and so do some things that aren't), and water. There's only one of the 3 we can deprive it of that will stop it, and fortunately, light has a switch.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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Unread 07/21/2020, 01:25 PM   #9
Nanorock4
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When I had Cyno it was because I didn't have enough flow in that area. I increased flow, stirred up the Cyno and I have not had it since. Keep your feeding to a minimum also.


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