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Old 01-25-2013, 02:20 AM   #31
Rob in Puyallup
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Cyanobacteria in the brackish shrimp tank


Thanks, fingers still crossed! :-)

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Old 01-27-2013, 06:04 AM   #32
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Default Re: Cyanobacteria in the brackish shrimp tank

Noticed when I added yesterday's dose that the bluegreen colored cyanobacteria had turned a pea-green. Today it seems like the medication may be affecting the caulerpa. Much of it has lost it's color and looks like it's "melting".

I see a big water change coming.

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Old 01-27-2013, 10:29 PM   #33
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Default Re: Cyanobacteria in the brackish shrimp tank

Still looking awful in the 10 gallon tank.

Today's the last dose of Maracyn 2.

Tomorrow a big partial water change with the addition of a HOB filter with purigen and maybe a toothbrush to scrub the live rock.

I've said it before: I hate disturbing my shrimps little world.

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Old 01-27-2013, 10:40 PM   #34
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Default Re: Cyanobacteria in the brackish shrimp tank

Tank so fuzzy the camera can't focus.
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Old 01-27-2013, 11:32 PM   #35
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Do you think any shrimp other than H. rubra could deal with treatment?
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Old 01-27-2013, 11:34 PM   #36
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Default Re: Cyanobacteria in the brackish shrimp tank

Is supposed to be safe for inverts and bacterial beds if used according to instructions.

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Old 01-27-2013, 11:37 PM   #37
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Seeing such a cloudy tank would make my heart skip a beat. I hope you win the BGA war.
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Old 01-27-2013, 11:54 PM   #38
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Default Re: Cyanobacteria in the brackish shrimp tank

Says on the med box that it will cloud the water, so I was expecting it.

Still, doesn't make it an alltogether pleasant experience.

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Old 01-28-2013, 12:35 AM   #39
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Maracyn-Two is definitely invert safe. I've used it with Neos, Crystals, TBs with no issues.
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Old 01-29-2013, 03:19 AM   #40
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Default Re: Cyanobacteria in the brackish shrimp tank

Okay... Have cleaned up the remaining cyanobacteria in the tank. Well, the parts that I could get without tearing down the tank. Hard telling what was alive or dead.
Did a 5 gallon water change and hung a new HOB (HOfront in this case), filter with a sponge prefilter, a bag of Purigen and the carbon cartridge that came with it. The water is slowly clearing up.

I found one of the baby opae swimming after the water change. Guess the stresses and changes in it's environment hasn't been too bad, though it's worried me a whole lot.

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Old 01-29-2013, 03:08 PM   #41
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Default Re: Cyanobacteria in the brackish shrimp tank

Found my first dead opae ula ever this morning in the 10 gallon tank. :-\

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Old 01-29-2013, 04:29 PM   #42
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Rob look on the positive side. Maybe the shrimp was old and died from age. A question or two. The folks that sold you the shrimp tank raised or not? The reason I ask is from your pictures all the shrimp look the same size. There does not look like a mix of sizes. You may have asked for adult size only.
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Old 01-29-2013, 06:33 PM   #43
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Default Re: Cyanobacteria in the brackish shrimp tank

Three different sources, Ken. Two from Hawaii, the third Texas. I received 5 larva from the seller in Texas.

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Old 01-29-2013, 06:44 PM   #44
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Looks like the Texas seller has tank reared shrimp. Morally they should sell for more but hard to compete financially with field collected.
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Old 01-29-2013, 06:53 PM   #45
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Default Re: Cyanobacteria in the brackish shrimp tank

A great vendor who I've kept in touch with. Breeds many different species of shrimp.

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